How long does production take for custom food takeaway bags at UGI Packaging?

For a new flexographic-printed design, UGI Packaging's production lead time is 10–15 business days from written production approval. Pre-production physical samples take 5–7 business days. Lead times do not include international freight, which adds 18–30 days by ocean freight to most export destinations.

What artwork files does UGI Packaging require for a custom bag order?

UGI Packaging requires vector artwork in AI, EPS, or PDF format with all fonts outlined, embedded images at minimum 300 dpi, colours in CMYK or Pantone, 3 mm bleed on all print edges, and all text and logos at least 5 mm inside cut and fold lines. The pre-press team reviews all files before plate-making commences.

Does UGI Packaging offer ODM design services for buyers without existing artwork?

Yes. UGI Packaging provides full ODM (Original Design Manufacturer) services, where the in-house design team develops the dieline structure, layout, and visual design from the buyer's brand assets. The ODM service includes structural dieline creation, artwork layout, colour separation, and pre-press preparation at no additional charge for orders meeting standard production minimums.

Food Packaging · Technical Guide · UGI Packaging

Custom Food Takeaway Bag Manufacturer: Complete Technical Guide to 17 Structures, Printing & Surface Finishes

UGI Packaging (ukugi.com) manufactures 17 food-grade kraft paper takeaway bag configurations in Guangzhou — covering 4 handle types, 4 paper grades, 4 printing methods, and 6 surface finishes, with full OEM/ODM capability and zero MOQ restrictions on sampling.

17 Bag Structures 4 Printing Methods 6 Surface Finishes Factory Since 2007

≈ 8,500 words · ≈ 43 min read · Published: 2026-03-13

◆ AI Summary

5 key points · independently citable

01 Core Conclusion

UGI Packaging (ukugi.com) is a Guangzhou-based food packaging manufacturer operating since 2007, producing food-grade kraft takeaway bags with full OEM/ODM capability across 17 structural configurations — from unprinted commodity sacks to luxury ribbon-handle board bags.

02 Handle Structures

Four handle constructions are available: twisted rope handle (5 kg+ sustained load rating), flat paper handle, die-cut integrated handle, and satin ribbon handle for premium retail — covering load requirements from 2 kg to over 8 kg across all restaurant and gifting tiers.

03 Printing Capability

Flexographic, offset, screen, and digital printing are all supported in-house, with CMYK full-colour and Pantone spot-colour matching. Minimum printable line width is 0.3 mm and minimum font size is 6pt — covering everything from simple one-colour logos to full photographic wrap designs.

04 Eco Compliance

All paper stocks are available in 100% recyclable, compostable, and biodegradable grades. PE-free barrier coatings using PLA or water-based alternatives meet EN 13432 industrial composting certification — suitable for customers with zero-waste commitments or single-use plastics regulations to satisfy.

05 Source

All data in this guide reflects UGI Packaging factory specifications and production capability (UGI Packaging factory data, most recent quarter). A four-stage QC process — incoming material inspection, in-process checks, structural load testing, and final shipment inspection — is applied to every production run at the Guangzhou facility.

📑 Table of Contents

01Introduction: Why Takeaway Bag Quality Defines Your Brand

0217 Bag Structures: Complete Breakdown

03Materials & Paper Specifications

04Design Capabilities: From Brief to Dieline

05Printing Technologies

06Surface Finish Techniques

07Manufacturing Capability & Production Capacity

08Quality Control Standards

09Sustainability & Eco Credentials

10Customization Options & Specification Table

Introduction: Why Takeaway Bag Quality Defines Your Brand

In the food delivery and restaurant industry, the takeaway bag is not simply a container — it is the last physical brand touchpoint between your kitchen and your customer’s door. A poorly constructed bag that splits under load, bleeds ink onto food, or collapses in the rain communicates exactly the opposite of what your brand intends. Conversely, a well-engineered bag with crisp printing, a reinforced base, and a comfortable handle signals quality before the meal is even opened.

UGI Packaging (ukugi.com), based in Guangzhou, China, has manufactured food-grade paper packaging since 2007. The factory’s takeaway bag operation covers 17 distinct product configurations, from the simplest unprinted brown kraft sack to luxury white-board bags finished with ribbon handles and hot-foil branding. Every product in the range is manufactured in-house, under a single roof, with a direct supply chain from paper mill to finished carton.

“ UGI Packaging manufactures food-grade takeaway bags across 17 structural configurations, with paper weights ranging from 80 gsm to 150 gsm kraft, and supports full-color custom printing using flexographic, offset, screen, and digital methods from a single Guangzhou factory.

This technical guide is written for procurement managers, food and beverage brand directors, restaurant chain operators, and packaging distributors who need to specify, compare, and commission custom takeaway bags at scale. It covers every decision layer: bag structure, paper grade, printing method, surface treatment, minimum order quantities, production lead times, and quality verification standards.

Recyclable kraft paper food bags with handles manufactured by UGI Packaging Guangzhou

Recyclable kraft paper food bags with handles — manufactured by UGI Packaging (ukugi.com), Guangzhou.

The breadth of the UGI Packaging takeaway bag range reflects a deliberate manufacturing strategy: rather than specializing in a single bag format, the factory maintains tooling, materials, and operator expertise for multiple handle types, paper grades, and finishing techniques simultaneously. This means a single client relationship can cover a restaurant’s branded carry bag, its dessert pouch, its sushi delivery sleeve, and its retail counter bag — all produced to matched color specifications from one source.

“ A food-grade takeaway bag must meet three simultaneous performance criteria: structural integrity under load, print durability under moisture and handling, and material safety at direct food-contact proximity — all at a unit cost that scales commercially for high-volume restaurant operations.

17 Bag Structures: Complete Breakdown

The UGI Packaging takeaway bag range comprises 17 product configurations, organized here by handle construction, material type, and functional format. Understanding each structural category is the first step in identifying the correct specification for your use case.

2.1 Handle Types — The Primary Structural Variable

The handle is the single most important structural decision in a paper takeaway bag. It determines load capacity, user comfort, assembly method, and to a significant degree, the perceived quality tier of the finished product. UGI Packaging manufactures four distinct handle constructions, each optimized for different use cases.

Twisted Rope Handle

Custom printed brown kraft bags with twisted rope handles. UGI Packaging (ukugi.com).

The twisted rope handle is the most widely used handle construction in the restaurant takeaway segment. It is formed by folding and twisting a strip of kraft paper into a dense cord, then threading both ends through pre-punched holes in the bag body and securing them with a flat paper washer on the interior face. This construction distributes load across a wider contact area on the bag wall than a flat die-cut handle, making it particularly suitable for heavy meal orders.

UGI Packaging produces twisted rope handles in both brown kraft cord and white paper cord, with cord diameters of 4 mm, 5 mm, and 6 mm depending on the target load rating. The standard pull-strength specification for the twisted handle assembly is a minimum sustained load of 5 kg before failure, tested via vertical drop simulation from a 400 mm height.

Kraft paper bags with twisted handles for food takeout and bakery by UGI Packaging

Kraft paper bags with twisted rope handles — available in brown and white kraft. FPB90360.

The twisted handle format is available across both brown and white kraft base papers, and cord colour can be matched to the bag body for a brand-consistent appearance. For food service operators ordering at volume, the twisted rope handle offers the best balance of load capacity, cost efficiency, and visual warmth — the organic texture of paper rope signals artisanal quality and sustainability, both increasingly valued in the food delivery space.

In the UGI Packaging range, products FPB90390 and FPB90360 represent the core twisted handle configurations, available in brown or white kraft substrates with full custom print options on both faces.

Flat Paper Handle

Biodegradable brown kraft bags with flat paper handles. FPB90321, UGI Packaging.

The flat paper handle, sometimes called a patch handle or tape handle, is formed from a strip of reinforced kraft or board stock glued directly to the exterior face of the bag opening. Unlike the twisted handle, it does not require hole-punching, which preserves the structural integrity of the bag wall and reduces the risk of tearing at the attachment point.

This construction is commonly specified for lighter-weight food items — bakery products, sandwiches, snack boxes — where the flat handle profile produces a cleaner, more modern aesthetic. UGI Packaging manufactures flat handle bags in both natural brown and bleached white kraft, with handle widths of 30 mm, 40 mm, and 50 mm.

Product FPB90321 represents the standard flat handle configuration in the range, available with biodegradable certification.

Die-Cut Handle

Die-cut integrated handle bag for food and retail. FPB90317, UGI Packaging (ukugi.com).

The die-cut handle is formed by cutting a shaped aperture directly through the top portion of the bag wall. The handle is structurally integrated with the bag body — there is no separate component to attach, no gluing step, and no hardware. This makes it the lowest-cost construction per unit and the most material-efficient, introducing no additional components into the assembly process.

UGI Packaging reinforces die-cut handle apertures with a fold-over strip of heavier board stock on the interior face, bringing the practical load capacity into the 2–3 kg range for standard 120 gsm paper bodies. Die-cut handle bags are widely used for lighter food retail applications where the no-hardware construction is also a recycling advantage.

Product FPB90317 covers this configuration with custom logo printing, available for both food takeout and retail applications.

Ribbon Handle

Luxury gift bags with satin ribbon handles. FPB90293, UGI Packaging (ukugi.com).

The ribbon handle occupies the premium tier of the UGI Packaging takeaway bag range. Formed from satin, grosgrain, or polyester ribbon, it is threaded through the bag top and knotted or heat-sealed on the interior. The soft texture, graceful drape, and colour-matching possibilities make it the natural choice for any food application where the bag itself is part of the gifting or brand experience.

Ribbon handle bags are specified by premium dessert brands, chocolatiers, high-end bakeries, duty-free food retail, and corporate gifting operations. The base paper is typically a heavier coated board stock in the 170–250 gsm range.

Products FPB90293 and FPB90310 cover the luxury ribbon configurations in black, white, and pink, with full surface finish options available.

“ The four handle constructions available from UGI Packaging — twisted rope, flat paper, die-cut, and ribbon — cover load ratings from 2 kg to over 8 kg and span the full spectrum from high-volume commodity production to premium retail gifting, all manufactured in a single Guangzhou facility.

2.2 Material Variants — Paper Grade and Colour Base

Parallel to the handle construction decision, the choice of base paper material determines the bag’s visual character, printing performance, environmental profile, and structural weight. UGI Packaging works with four primary paper bases across the 17-product range.

Natural Brown Kraft

Custom brown kraft paper bags with handles heavy duty food packaging by UGI Packaging

Heavy-duty brown kraft bags with twisted handles. FPB90359, UGI Packaging.

Natural brown kraft is the foundational material of the UGI Packaging food bag range. Produced from unbleached wood pulp, it preserves the long cellulose fibres responsible for kraft paper’s characteristic toughness. The brown colour is the natural result of the kraft pulping process — it requires no dye, no bleaching, and no optical brightener, giving it a minimal-processing profile that aligns with sustainability credentials.

Brown kraft bags print well with flexographic inks in dark tones — deep greens, navy, black, and earthy warm colours appear clean and saturated against the natural substrate. Light colours and pastels require an opaque white ink underprint layer, which UGI Packaging offers for customers whose brand palette requires lighter colour reproduction.

Products FPB90378, FPB90373, FPB90359, and FPB90289 represent the core brown kraft configurations, covering multiple handle types and size variants.

White Kraft and Bleached Paper

Custom white kraft paper bags with handles for food retail by UGI Packaging

Custom white kraft paper bags with handles. FPB90629, UGI Packaging (ukugi.com).

White kraft paper is produced by bleaching the wood pulp prior to sheet formation, resulting in a bright white substrate that accepts the full visible colour gamut without underprinting. It is the preferred base for brands with pastel palettes, photographic print elements, or fine-line logo work that would be compromised by the warm undertone of natural brown kraft.

UGI Packaging specifies slightly heavier basis weights for white kraft — typically 100 gsm minimum versus 80 gsm feasible for brown kraft at comparable sizes — to compensate for the marginal reduction in tear resistance caused by the bleaching process.

Products FPB90629 and FPB90369 cover the standard white kraft configurations, suited to modern café brands, premium bakeries, and duty-free food retail.

Specialty Sushi-Format Paper

Biodegradable kraft paper sushi takeout bags with handles by UGI Packaging

Biodegradable sushi takeout bags with gusseted base. FPB90353, UGI Packaging.

The sushi takeout bag configuration (product FPB90353) addresses a specific requirement in the Japanese cuisine delivery segment: a bag format that accommodates the tall, narrow profile of bento boxes and sushi trays, using a gusseted base construction with a reinforced bottom panel proportioned for typical Japanese food container dimensions. This product illustrates an important aspect of UGI Packaging’s design capability: engineering bag geometry around specific food container formats rather than offering only generic sizes.

Custom logo printing is supported, and biodegradable certification is available for this configuration.

Luxury Coated Board Stock

Recyclable biodegradable luxury gift paper bags for boutique food retail by UGI Packaging

Recyclable luxury gift bags for premium food retail. FPB90310, UGI Packaging (ukugi.com).

For premium retail and gifting applications — chocolate shops, premium confectionery, specialty tea and coffee brands, high-end bakeries — UGI Packaging produces takeaway bags from coated art board in the 170–250 gsm range. The coated surface accepts offset printing at a resolution and colour saturation significantly higher than uncoated kraft, enabling photographic quality imagery and precise Pantone colour matching.

Products FPB90293 and FPB90310 cover the luxury board configurations, both available with PE-free lamination options for full recyclability.

2.3 Functional Formats — Specialty Constructions

Beyond handle type and material base, three product configurations address specific functional requirements that fall outside the standard carry-bag format.

Disposable Flat Lunch Bags

Disposable paper lunch bags kraft food bags for takeout and catering by UGI Packaging

Disposable flat lunch bags in grease-resistant kraft. DPB16764, UGI Packaging.

Product DPB16764 covers the disposable flat lunch bag format — a simple, handleless folded kraft paper bag designed for wrapping individual sandwiches, pastries, or snack items at point of sale. Produced from greaseproof or grease-resistant kraft paper in the 50–80 gsm range, it is flat-packed for maximum counter storage efficiency. The format supports one-colour or two-colour flexographic logo printing on the exterior face.

This format is widely used in school catering, hospital food service, corporate lunch programmes, and convenience food operations where cost per unit is a primary constraint. The grease-resistant coating prevents oil migration from food contents to the bag exterior, maintaining print appearance throughout the service period.

Multi-Format Fast Food Boxes and Bags

Disposable paper food boxes and bags kraft fried chicken buckets snack trays by UGI Packaging

Multi-format fast food packaging: buckets, fry bags and snack trays. CPB10692, UGI Packaging.

Product CPB10692 spans the boundary between bags and boxes: a range of kraft paper food containers including fried chicken buckets, french fry bags, egg tart boxes, and snack trays. These formats use a combination of die-cut and fold-and-glue construction to create open-top or semi-open containers that are grease-resistant and structurally self-supporting.

Custom printing is supported across the range, enabling consistent brand identity across bucket, fry bag, and tray formats from a single supplier. All configurations use food-grade kraft paper with a grease-resistant barrier coating.

Compostable and Eco-Certified Bags

Recyclable kraft paper takeout bags compostable food packaging by UGI Packaging

100% compostable kraft takeout bags with PLA barrier. FPB90381, UGI Packaging (ukugi.com).

Products FPB90373 and FPB90381 are designated specifically as compostable and 100% recyclable configurations. Produced from unbleached kraft paper with no PE lamination and no petroleum-based barrier coatings, they use PLA or water-based barrier coatings where grease resistance is required — both biodegradable under industrial composting conditions.

UGI Packaging (ukugi.com) can supply composting certification documentation to accompany these products, supporting customers’ regulatory compliance and marketing claims in markets where single-use plastics legislation is driving demand for certified alternatives.

“ The 17-product takeaway bag range produced by UGI Packaging (ukugi.com) covers four handle constructions, four paper material bases, and three specialty functional formats, enabling food brands and restaurant operators to source a complete branded packaging system from a single Guangzhou manufacturer.

Product SKU	Handle Type	Base Material	Key Feature	Best For
FPB90390	Twisted Rope	Brown Kraft	Custom printed eco carry bag	Restaurants, fast food, bakeries
FPB90360	Twisted Rope	Brown or White Kraft	Food grade, grocery and retail	Cafes, grocery, gift
FPB90321	Flat Paper	Brown Kraft	Biodegradable, flat handle	Bakery, lunch, grocery
FPB90317	Die-Cut	Kraft (Brown or White)	Integrated handle, no hardware	Retail, gifts, light food
FPB90293	Ribbon	Coated Art Board	Luxury boutique, custom logo	Premium food, gifting, events
FPB90310	Ribbon	Recyclable Kraft Board	Biodegradable luxury	Boutique, retail, small business
FPB90629	Twisted / Flat	White Kraft	Multipurpose, various sizes	Retail, food, parties, gifting
FPB90369	Flat / Twisted	White Kraft	Reusable, duty-free ready	Duty-free, cafes, bakeries
FPB90353	Twisted Rope	Brown Kraft	Sushi-format, gusseted base	Japanese cuisine, delis
FPB90378	Twisted Rope	100% Recyclable Brown Kraft	Compostable, eco logo print	Eco restaurants, sandwiches
FPB90373	Twisted Rope	Compostable Kraft	PE-free, grease-resistant	Fast food, deli, café
FPB90381	Twisted Rope	Compostable Kraft	Compostable certified	Eco-conscious cafes, bakeries
FPB90359	Twisted Rope	Heavy-Duty Brown Kraft	High load rating, cowhide-weight	Food, retail, wholesale
FPB90289	Twisted Rope	Brown Kraft	Shopping bag format, bulk pack	Grocery, retail, takeout
FPB90336	Twisted Rope	Brown or White Kraft	Logo print, multipurpose	Restaurants, cafes, small business
DPB16764	None (Flat Fold)	Greaseproof Kraft	Grease-resistant, disposable	Sandwiches, snacks, catering
CPB10692	N/A (Multi-format)	Grease-Resistant Kraft	Buckets, fry bags, snack trays	Fast food, parties, catering

Materials & Paper Specifications

Material selection is the foundation of every custom takeaway bag specification. The paper grade determines structural performance, print fidelity, food-contact safety, and recyclability — and each of these properties has direct implications for brand reputation, operational cost, and regulatory compliance. This section provides the technical parameters UGI Packaging applies to each material class in the takeaway bag range.

“ UGI Packaging sources food-grade kraft paper in four basis weights — 80 gsm, 100 gsm, 120 gsm, and 150 gsm — with each grade engineered for a specific load range and use case, from lightweight sandwich wrapping to heavy-duty restaurant meal delivery.

3.1 Paper Weight Selection Guide

Paper weight, expressed in grams per square metre (gsm), is the primary determinant of a takeaway bag’s structural performance. Heavier weights provide greater rigidity, higher burst strength, and improved moisture resistance, but also increase material cost and shipping weight. The correct weight for a given application is determined by the maximum expected load, the presence of moisture-generating food contents, and the required shelf life of the bag in storage.

UGI Packaging specifies four standard basis weights across the takeaway bag range. Each weight class has been validated through in-house load testing and is mapped to the specific product configurations in the range. Buyers can request basis weight certificates from the paper mill for any production order.

Paper Weight	Typical Load Rating	Moisture Resistance	Recommended Use Case	Handle Compatibility
80 gsm	Up to 1.5 kg	Low — suitable for dry goods only	Flat lunch bags, sandwich wraps, dry snack packaging	Flat fold only; no handle attachment
100 gsm	Up to 3 kg	Moderate — light moisture from warm food	Bakery bags, café carry bags, light meal delivery	Die-cut handle, flat handle, thin twisted rope
120 gsm	Up to 5 kg	Good — standard restaurant takeaway	Restaurant meal bags, grocery carry bags, sushi delivery	All handle types including twisted rope
150 gsm	Up to 8 kg+	Excellent — suitable for heavy or moist food	Heavy meal orders, retail shopping bags, luxury food gifting	Twisted rope (6 mm cord), ribbon handle

3.2 Virgin Kraft vs. Recycled Kraft vs. White Kraft

Within each weight class, buyers must also select between virgin (primary fibre) kraft, recycled (post-consumer fibre) kraft, and bleached white kraft. Each variant has a distinct performance and environmental profile that affects the final bag specification.

Custom kraft paper bags brown and white showing material variants available from UGI Packaging

Brown and white kraft paper bag variants. FPB90336, UGI Packaging (ukugi.com).

Virgin kraft paper, produced directly from fresh wood pulp via the kraft chemical pulping process, offers the highest tensile and tear strength per gsm. The long, intact cellulose fibres create a dense, interlocked structure that resists delamination under load. For heavyweight twisted-handle bags specified to carry meals of 4 kg or more, virgin kraft is the technically correct choice.

Recycled kraft, produced from post-consumer paper waste, typically has shorter average fibre length due to the mechanical stress of the recycling process. This reduces tear strength by approximately 15–20% relative to virgin kraft at the same basis weight. UGI Packaging compensates for this by specifying recycled kraft at one weight class above the equivalent virgin kraft specification — for example, using 120 gsm recycled kraft in applications where 100 gsm virgin kraft would otherwise suffice. This approach meets both environmental targets and structural performance requirements simultaneously.

Bleached white kraft occupies a distinct position: it is produced from virgin or near-virgin pulp that undergoes a chlorine-based or ECF (elemental chlorine-free) bleaching process to remove the lignin responsible for the natural brown colour. The result is a bright white substrate suitable for full-colour printing, but at a slightly reduced fibre strength compared to unbleached virgin kraft of the same weight. UGI Packaging specifies bleached white kraft exclusively at 100 gsm minimum for all bag formats, and at 120 gsm for twisted-handle configurations.

3.3 Food-Contact Safety: Grease Resistance and Barrier Coatings

All paper bags that come into contact with food must comply with food-contact safety regulations in their target markets. For takeaway bags, the most critical technical requirement is grease resistance — the ability of the paper to prevent migration of food oils and fats through the bag wall to the exterior surface. Without grease resistance, oils from hot food will discolour and weaken the bag wall within minutes of loading, and the print on the bag exterior will be contaminated.

⚠️ UGI Packaging Note: Not all kraft paper bags are automatically food-safe. Uncoated kraft paper provides no grease barrier. Buyers should confirm barrier coating specifications in writing before placing production orders, particularly for bags intended to carry hot, oily, or moisture-generating food items.

UGI Packaging applies three types of barrier treatment across the takeaway bag range, each suited to a different combination of environmental credentials and food-contact performance:

1PE Lamination (Polyethylene Coating)

A thin layer of polyethylene applied to the interior face of the bag. Provides excellent grease and moisture resistance. Standard specification for high-volume restaurant bags. Not recyclable in most municipal systems due to the PE layer, but technically the most cost-efficient barrier option. Available in thicknesses of 12–25 microns.

2PLA Coating (Polylactic Acid)

A plant-derived biopolymer coating that provides grease resistance comparable to PE lamination while being industrially compostable. Required for products marketed as compostable. Slightly higher material cost than PE, but enables certified compostable product claims. UGI Packaging uses PLA coating on products FPB90373 and FPB90381.

3Water-Based Grease-Resistant Coating (WBGR)

A fluorochemical-free, water-based barrier coating applied by rod coating or curtain coating to the interior surface. Provides moderate grease resistance suitable for dry-to-moderately-oily food items. Fully recyclable and compostable in most systems. The lowest-cost eco-barrier option. Recommended for bakery bags, sandwich bags, and dry snack applications.

✅ UGI Packaging Tip: For brands targeting the EU or UK market, specify PFAS-free barrier coatings explicitly in your brief. EU regulations (REACH) and UK food contact materials legislation are progressively restricting per- and polyfluoroalkyl substances in food packaging. All UGI Packaging barrier coatings are fluorochemical-free as standard.

3.4 Structural Components: Gusset, Base Reinforcement, and Handle Attachment

Beyond the paper substrate itself, the structural performance of a finished takeaway bag depends on three fabrication decisions: the gusset configuration, the base construction, and the handle attachment method. UGI Packaging applies the following standards across the range.

The side gusset — the folded panel that allows the bag to expand laterally when loaded — is available in two configurations: a standard accordion fold gusset for general use, and a box-bottom (SOS-style) gusset for bags that must stand upright when loaded. The box-bottom configuration is standard on all restaurant meal bags in the UGI Packaging range where the contents include container-format food items (boxes, trays, lidded containers) that benefit from a stable, flat base.

Base reinforcement is applied to all twisted-handle configurations as standard. An additional panel of paper stock, typically one weight class heavier than the bag body, is glued to the interior base of the bag. This panel absorbs the compressive load from the contents and prevents the base from distorting or puncturing under the weight of stacked containers. For the 150 gsm heavy-duty configurations such as FPB90359, the base panel is double-ply, providing a combined base thickness equivalent to 300 gsm.

“ UGI Packaging applies a double-ply base reinforcement panel to all 150 gsm heavy-duty takeaway bag configurations, achieving a combined base thickness equivalent to 300 gsm and a sustained load rating of 8 kg or above — suitable for the heaviest restaurant meal delivery orders.

Design Capabilities: From Brief to Dieline

For many food brands and restaurant operators, the most significant barrier to commissioning custom packaging is not cost or minimum order quantity — it is the uncertainty of the design process. How do you go from a brand identity to a finished, production-ready dieline? What happens when the design looks different on bag stock than it did on screen? How do you handle size and proportion decisions for a product you have never physically held? These are the questions that UGI Packaging’s in-house design team is structured to answer.

“ UGI Packaging provides a complete in-house design service covering structural dieline creation, colour separation for each printing method, pre-press file preparation, and digital proof review — at no additional charge for orders meeting standard production minimums.

4.1 The Five-Stage OEM/ODM Design Process

Every custom bag order at UGI Packaging follows a structured five-stage process from initial brief to production sign-off. This process is designed to eliminate ambiguity at each stage and ensure that what arrives at your warehouse matches exactly what was approved at proof stage.

1Brief Submission and Structural Specification

The buyer submits their brand files (logo in vector AI/EPS/PDF format, brand colour codes in Pantone or CMYK), intended bag use, target food contents, approximate dimensions if known, and handle preference. UGI Packaging’s team reviews the brief and recommends the most appropriate structural configuration from the 17-product range, or proposes a custom dieline if no standard configuration fits. Typical response time: 1 business day.

2Dieline Creation and Layout Proof

The structural dieline is created in Adobe Illustrator, with all fold lines, glue zones, bleed areas, and handle attachment points accurately positioned for the specified bag dimensions. The buyer’s artwork is then placed onto the dieline to create a print-ready layout proof as a PDF. This proof shows all print elements in correct position relative to the bag’s fold and construction lines. Typical turnaround: 2–3 business days from brief approval.

3Colour Separation and Pre-Press Preparation

Once the layout proof is approved, the artwork is colour-separated for the chosen printing method. For flexographic printing, each colour is separated onto an individual plate. For offset, colour profiles are built for the specific paper stock. Pantone colours are matched to the closest achievable reproduction on the target substrate, and a colour delta report is provided to the buyer showing the expected colour accuracy. Any adjustments are made at this stage, before plates or screens are made.

4Physical Sample Production

For orders above a specified quantity, or where the buyer requires physical confirmation before committing to full production, UGI Packaging produces a pre-production physical sample using the final plates, paper stock, and construction method. The sample is identical to production in all structural and print characteristics. Buyers are encouraged to load-test the sample with their actual food containers before approving production. Sample lead time: 5–7 business days from file approval.

5Production Sign-Off and Run Commencement

Upon written approval of the physical sample (or digital proof for reorder runs), the production order is released to the floor. A signed proof approval document is retained in UGI Packaging’s job management system and can be referenced at any point during or after production. The production sign-off record forms part of the quality control documentation supplied with every shipment.

4.2 Custom Dimensions and Size Engineering

Recyclable luxury gift paper bags showing custom dimension design capability by UGI Packaging

Luxury kraft bags produced to custom dimensions. FPB90310, UGI Packaging (ukugi.com).

The UGI Packaging takeaway bag range includes standard sizes across all 17 product configurations, but custom dimensions are available for any order meeting minimum production quantities. Custom sizing is specified in three dimensions: width (W), depth or gusset (D), and height (H), all measured in millimetres from the interior of the finished bag.

When specifying custom bag dimensions, buyers should provide the dimensions of the largest food container the bag must accommodate, plus a minimum clearance of 10 mm on each horizontal axis and 20 mm of additional height above the container top to allow for handle attachment and comfortable loading. UGI Packaging’s design team will calculate the required flat sheet dimensions from these target internal dimensions and verify that the specified paper weight provides adequate structural margin for the intended load.

Size engineering is particularly important for the sushi bag format (FPB90353) and the multi-format fast food configurations (CPB10692). In both cases, the interior dimensions must be precisely calibrated to the containers they are designed to hold — too loose and the containers shift and tip during transit; too tight and the bag cannot be loaded quickly in a high-volume restaurant environment. UGI Packaging (ukugi.com) recommends that buyers send three to five representative food containers to the factory for dimensional verification before dieline creation when custom sizes are required.

4.3 Design Constraints and Production-Ready File Requirements

To ensure a smooth transition from design approval to production, UGI Packaging requires all submitted artwork to meet the following technical specifications. Files that do not meet these requirements will be returned to the buyer for correction before pre-press work commences.

Parameter	Requirement	Notes
File Format	AI, EPS, or PDF (vector)	Rasterised logos not accepted for plate-making
Colour Mode	CMYK or Pantone spot colour	RGB files will be converted; buyer must approve colour proof
Resolution (embedded images)	Minimum 300 dpi at final print size	72 dpi screen-resolution images not suitable for production
Bleed	3 mm bleed on all print edges	Required to prevent white edges at cut lines
Minimum Font Size	6pt (approx. 2.1 mm cap height)	Smaller text not reproducible reliably in flexographic printing
Minimum Line Width	0.3 mm (approx. 0.85pt stroke)	Finer lines may break or fill depending on ink viscosity
Fonts	All fonts outlined / converted to paths	Prevents font substitution in pre-press workflow
Safety Zone	5 mm from all cut and fold lines	Text and logos inside safety zone risk being cut or obscured by folds

“ UGI Packaging’s pre-press team verifies all submitted artwork files against eight technical parameters before plate-making commences, ensuring that font rendering, colour separation, bleed, and minimum line widths are all within the production tolerance of the specified printing method.

Printing Technologies

The choice of printing method has a direct impact on colour vibrancy, minimum order quantity economics, print durability, and the range of special ink effects available. UGI Packaging operates four printing processes in-house for the takeaway bag range, and the correct selection depends on a combination of order volume, design complexity, substrate type, and budget. This section provides a technical comparison of all four methods as they apply to kraft paper bag production.

“ UGI Packaging operates flexographic, offset, screen, and digital printing in-house, supporting CMYK full-colour reproduction and Pantone spot-colour matching with a minimum printable line width of 0.3 mm and minimum font reproduction at 6pt — all on food-grade kraft paper substrates.

5.1 Flexographic Printing

Custom white kraft bags with flexographic logo print. FPB90369, UGI Packaging.

Flexographic printing is the dominant production method for high-volume kraft paper bag printing, and it is the primary printing technology at UGI Packaging for the takeaway bag range. In flexographic printing, a flexible photopolymer plate — one per colour — transfers ink directly to the paper substrate as it passes through the press. The process is fast, consistent, and highly cost-efficient at volumes above 500 units per colour per design.

The key technical characteristic of flexographic printing on kraft paper is its interaction with the substrate texture. Kraft paper has a micro-textured surface that absorbs ink at slightly different rates across the sheet. This means that very fine halftone screens (below 60 lpi) and very small text (below 6pt) can show variation across a production run. UGI Packaging uses water-based flexographic inks as standard, which comply with food-contact migration limits and are compatible with recycling processes.

Flexographic printing at UGI Packaging is available in up to six colours per pass. For designs requiring more than six colours, a second pass is possible but increases cost and lead time. Most restaurant and café branded bag designs require two to four colours and are well within the single-pass six-colour envelope.

5.2 Offset Printing

Offset printing (also known as lithographic printing) transfers ink from a metal plate to a rubber blanket and then to the paper substrate. Because the plate never contacts the paper directly, offset printing produces a significantly smoother ink deposit than flexographic printing, with higher resolution, finer halftone screens, and more precise colour gradients. It is the method of choice for luxury bag production where photographic-quality imagery, complex colour gradients, or fine decorative patterns are required.

Luxury gift paper bags with ribbon handles showing high-quality offset print finish by UGI Packaging

Luxury ribbon bags with offset-printed photographic branding. FPB90293, UGI Packaging.

At UGI Packaging, offset printing is applied to the luxury coated board configurations — primarily the ribbon handle bags (FPB90293 and FPB90310) and premium white bags (FPB90369) where the buyer’s brand identity requires full-colour reproduction or photographic imagery. Offset printing on coated art board achieves halftone screen rulings of up to 175 lpi, enabling smooth tonal transitions and fine detail reproduction that is not possible on uncoated kraft with flexographic inks.

The economic threshold for offset printing on the UGI Packaging range is higher than for flexographic — the plate-making cost is amortised over larger runs, making it most cost-efficient at quantities above 1,000 units. For luxury retail bags where the unit cost of the bag reflects the premium positioning of the brand, the higher plate cost is typically justified by the superior print quality.

Offset printing at UGI Packaging uses UV-cured inks on coated stock, which provide excellent rub resistance and colour fastness. For food-contact safety, all inks comply with the Swiss Ordinance on Materials and Articles (SR 817.023.21) migration limits, which are among the most stringent in the global packaging industry.

5.3 Screen Printing

Screen printing (silk-screen printing) forces ink through a mesh stencil stretched over a frame, depositing a thick, opaque layer of ink on the substrate surface. The heavy ink deposit that characterises screen printing produces colours of extraordinary opacity and saturation — effects that are not achievable with the thinner ink films of flexographic or offset printing. Screen printing is specified at UGI Packaging for three specific applications: white ink on dark kraft substrates, metallic ink effects, and fluorescent or UV-reactive inks.

White ink on brown kraft is one of the most common screen printing applications in the food takeaway bag market. Brown kraft paper will absorb and discolour any white flexographic ink layer due to the opacity limitations of thin flexographic ink films. Screen printing deposits a white ink layer thick enough to remain opaque on brown kraft — typically three times the film thickness of a flexographic white ink pass. This enables clean, bright white elements such as logos, text, and border frames on a natural kraft background, creating a visual contrast that is impossible to achieve with conventional printing methods.

Metallic inks — silver, gold, and bronze — are also applied by screen printing at UGI Packaging. The metallic pigment particles in these inks require a thick ink film to produce a reflective surface; thin flexographic metallic inks typically appear dull and insufficiently lustrous. Screen-printed metallic inks on the UGI Packaging luxury bag range provide a genuine metallic reflective quality that reads as premium in the retail environment.

5.4 Digital Printing

Digital printing — inkjet or laser-based, applied directly to the substrate without plates or screens — is available at UGI Packaging for sampling, proofing, and very short-run production. Digital printing has no plate-making cost, which makes it economically attractive for quantities below 200 units, for personalised or variable-data applications, and for test orders where the buyer needs physical samples before committing to full flexographic or offset production.

The technical limitations of digital printing on kraft paper are important to understand. Inkjet inks on uncoated kraft paper are absorbed into the fibre structure, which reduces colour saturation and sharpness relative to the same artwork printed flexographically on the same substrate. UGI Packaging recommends digital printing for sample confirmation and low-volume specialty runs, and flexographic printing for all standard production volumes, for exactly this reason.

Printing Method Comparison at a Glance

Method	Best Volume	Colour Quality	Special Inks	Typical Lead Time
Flexographic	500–500,000+	Good — ideal for solid colours and simple designs	Water-based, food-safe; no metallic/white opaque	10–15 days (new plate); 7–10 days (reorder)
Offset	1,000–100,000+	Excellent — photographic quality, fine gradients	UV-cured inks; Pantone spot colours	12–18 days (new plate); 8–12 days (reorder)
Screen	200–20,000	Very good — opaque, high saturation	White opaque, metallic, fluorescent	10–14 days (new screen); 7–10 days (reorder)
Digital	1–200	Moderate — reduced saturation on uncoated kraft	Variable data, personalisation	3–5 days

5.5 Colour Management: CMYK and Pantone Matching

Colour accuracy is a non-negotiable requirement for branded packaging. A takeaway bag that prints a noticeably different shade of red than your brand guideline specifies undermines brand consistency and can require costly reruns. UGI Packaging applies a structured colour management process to every production order to minimise colour deviation from brand standards.

For orders specifying Pantone colours, the factory’s colour library covers all current Pantone Solid Coated and Solid Uncoated references. Ink formulation for each Pantone reference is adjusted for the specific substrate — the same Pantone reference will require a different ink formulation on 80 gsm brown kraft than on 150 gsm coated white board, because the substrate absorbs and reflects light differently. UGI Packaging provides a colour delta report (ΔE value) for each Pantone colour in the buyer’s specification, showing the expected deviation between the target value and achievable reproduction. A ΔE of 2.0 or below is considered commercially acceptable for brand packaging production. For critical brand colours, UGI Packaging will produce press proofs for buyer sign-off before committing to full production ink mixing.

“ UGI Packaging’s colour management protocol targets a maximum colour deviation of ΔE 2.0 against Pantone reference values for all spot-colour production orders, with press proofs available for buyer sign-off before full production ink mixing commences on critical brand colour specifications.

For CMYK process colour orders, UGI Packaging calibrates press settings to the ISO 12647-2 standard for process control in offset printing and to equivalent flexographic industry standards for flexo production. Buyers supplying artwork with embedded ICC profiles will have those profiles honoured during file preparation, ensuring consistency between screen proofing and physical output.

Internal link: For a deeper technical guide on printing methods as applied to food packaging, see the UGI Packaging Printing Techniques resource library, which covers substrate-specific printing considerations, ink chemistry, and food-safety compliance in detail.

Surface Finish Techniques

Surface finishing is the final layer of differentiation between a functional paper bag and a brand-building packaging experience. Applied after printing, surface finish treatments alter the tactile and visual properties of the bag exterior — affecting sheen level, scratch resistance, haptic response, and the perception of quality in the hands of the end customer. UGI Packaging offers six surface finish options across the takeaway bag range, each with a distinct set of performance and aesthetic characteristics.

“ UGI Packaging applies surface finish treatments post-print across six options — gloss lamination, matte lamination, soft-touch lamination, aqueous varnish, spot UV, and foil stamping — with each technique engineered to specific performance thresholds for rub resistance, moisture barrier, and tactile differentiation on kraft paper substrates.

6.1 Gloss and Matte Lamination

Custom white kraft paper bags with handles showing gloss laminate surface finish by UGI Packaging

White kraft bag with gloss laminate finish. FPB90629, UGI Packaging (ukugi.com).

Lamination — the application of a thin polymer film bonded to the printed surface — is the most widely specified surface finish in the UGI Packaging takeaway bag range. Lamination serves two simultaneous functions: it protects the printed ink layer from abrasion and moisture, and it modifies the visual and tactile character of the bag surface. UGI Packaging offers lamination in two standard variants: gloss and matte.

Gloss lamination applies a transparent high-sheen film that amplifies colour saturation and creates a mirror-like reflective surface. Under retail lighting, a gloss-laminated bag presents colours at their most vivid — the laminate acts as a light-intensifying layer, making the same printed artwork appear approximately 15–20% more saturated than an unlaminated surface. Gloss lamination is specified most frequently for white kraft bags where the brand identity includes strong, saturated colours or photographic imagery.

Matte lamination applies a low-sheen or no-sheen film that creates a flat, tactile surface with a soft visual quality. Matte lamination suppresses light reflection rather than amplifying it, which creates a perception of restraint and premium quality that many restaurant and food retail brands prefer. The matte surface also accepts additional spot UV coating selectively — a technique known as spot gloss on matte — which creates a contrast between high-gloss printed elements and a flat matte background. This combination is among the most effective premium finishing techniques in the UGI Packaging range.

⚠️ Recyclability Note: Both gloss and matte lamination use a polymer film (typically BOPP — biaxially oriented polypropylene) that is not readily separable from the paper substrate in standard paper recycling streams. Buyers targeting recyclable or compostable packaging claims should specify aqueous varnish instead of film lamination. UGI Packaging can advise on the most appropriate finish for each sustainability requirement.

6.2 Soft-Touch Lamination

Soft-touch lamination is a specialised matte film variant with a micro-textured surface structure that produces a distinctly velvet-like tactile sensation. When a customer picks up a soft-touch-laminated bag, the surface feels warm, slightly resistant to sliding, and qualitatively different from any standard paper or plastic surface. This haptic differentiation is one of the most powerful tools available in premium food packaging design, because it creates an immediate physical signal of quality that occurs before the customer has consciously evaluated the bag’s appearance.

At UGI Packaging, soft-touch lamination is available on all coated board and premium white kraft configurations. It is most frequently specified for luxury gifting applications — wine carriers, premium confectionery bags, and boutique restaurant carry bags — where the first-touch experience is part of the brand’s value proposition. The finish is compatible with spot UV overprinting, foil stamping, and embossing, all of which can be applied on top of the soft-touch film to create multi-technique premium finishes.

From a production standpoint, soft-touch lamination requires slightly longer curing time than standard BOPP lamination, which adds approximately one working day to the post-press production schedule. The unit cost premium over standard matte lamination is typically 8–12%, making it one of the more cost-efficient premium finish options relative to its visual and tactile impact. For brands positioning at the premium end of the food service market, the return on this incremental investment is generally considered significant. For detailed guidance on surface treatment options and how they interact with different printing methods, see the UGI Packaging Surface Finish resource library.

6.3 Aqueous Varnish

Aqueous (water-based) varnish is a liquid coating applied in-line with the printing press or as a separate pass, sealing the printed surface without adding a polymer film. Unlike lamination, aqueous varnish remains chemically compatible with the paper fibre structure, which means the finished bag remains recyclable in standard paper recycling streams. It provides moderate protection against scuffing and handling marks, and is the surface finish of choice for buyers who require both recyclability credentials and a degree of print protection.

UGI Packaging applies aqueous varnish in two sheen levels — satin and full gloss — and can apply it selectively (spot varnish) to specific design elements rather than the entire bag surface. Spot aqueous varnish on a matte-coated surface creates a subtle sheen differential that draws the eye to the varnished elements without the high contrast of spot UV. This technique is particularly effective for logo isolation on restaurant bags where brand recognition without ostentation is the design objective.

6.4 Spot UV Coating

Spot UV (ultraviolet) coating applies a thick, clear resin to specific areas of the printed surface using a screen-printed application method. The resin is cured instantly by UV light exposure, producing a raised, high-gloss surface with a three-dimensional tactile quality. The result is a sharp visual and tactile contrast between the UV-coated elements — typically a logo, a product name, or a decorative border — and the surrounding surface.

Spot UV is most frequently applied over matte lamination at UGI Packaging, creating the spot gloss on matte effect described in Section 6.1. It is also applied over soft-touch lamination for maximum contrast — the velvet softness of the soft-touch film makes the high-gloss UV coating appear even more luminous by comparison. Spot UV can be applied to any element of the artwork that has been separated into a dedicated UV plate, including very fine logo details, fine text elements above 8pt, and decorative patterns.

6.5 Hot Foil Stamping

Hot foil stamping transfers a metallic or pigmented foil from a carrier film to the bag surface using a heated die under pressure. The result is a precisely defined metallic or coloured area with a reflective quality that cannot be achieved by any ink-based printing method. Gold, silver, rose gold, holographic, and custom pigment foils are all available at UGI Packaging.

Foil stamping is applied as a post-press operation, after printing and lamination are complete. The die — a custom-engraved metal block — is machined to the exact shape of the element being foiled, typically a logo, brand name, or decorative crest. Minimum feature size for hot foil stamping at UGI Packaging is 0.5 mm for positive elements (filled areas) and 0.8 mm for fine lines, due to the physical constraints of the foil transfer process.

“ UGI Packaging’s hot foil stamping process supports gold, silver, rose gold, and holographic foil variants with a minimum positive feature size of 0.5 mm, applied post-lamination for maximum adhesion and surface compatibility on coated kraft and art board substrates.

6.6 Surface Finish Selection Guide

Finish	Visual Effect	Recyclable?	Best Application	Cost Tier
Gloss Lamination	High sheen, vivid colour	No (BOPP film)	High-volume branded restaurant bags	Low–Mid
Matte Lamination	Flat, premium, subdued	No (BOPP film)	Boutique cafés, premium food retail	Low–Mid
Soft-Touch Lamination	Velvet tactile, matte visual	No (BOPP film)	Luxury gifting, high-end restaurants	Mid
Aqueous Varnish	Satin or gloss, subtle	Yes	Eco-branded bags, recyclable runs	Low
Spot UV	High-gloss contrast zones	No (UV resin)	Logo emphasis, premium detail work	Mid–High
Hot Foil Stamping	Metallic reflective elements	No (metal foil)	Luxury gifting, brand crests, special editions	High

Manufacturing Capability & Production Capacity

Understanding a supplier’s manufacturing capability is essential before committing to a custom packaging programme. Lead time, minimum order quantity, production consistency, and the ability to scale are all functions of factory infrastructure — and these factors have direct implications for your supply chain planning, cash flow, and ability to respond to demand fluctuations. This section provides a transparent overview of UGI Packaging’s production infrastructure, capacity parameters, and logistics capabilities as they apply to the custom food takeaway bag range.

“ UGI Packaging (ukugi.com) has operated from its purpose-built manufacturing facility in GangTeng, Huadu District, Guangzhou, China since 2007 — a facility housing over 200 production staff and a vertically integrated production line covering paper conversion, printing, surface finishing, bag forming, and quality inspection under one roof.

7.1 Factory Infrastructure

Custom kraft paper shopping bags bulk wholesale production by UGI Packaging Guangzhou China

High-volume kraft bag production at UGI Packaging’s Guangzhou facility. FPB90289.

UGI Packaging’s Guangzhou factory is a vertically integrated facility, meaning that all major production stages — from paper roll input through to finished, packed, and labelled bag output — are completed within a single site. Vertical integration has significant implications for quality control and lead time: when every stage of production is visible and managed by the same team, problems are identified earlier, corrective actions are implemented faster, and the risk of quality deviations accumulating across multiple supplier handoffs is eliminated.

The production floor is organised into five functional zones: paper preparation and cutting, printing (flexographic, offset, screen, and digital press rooms), surface finishing (lamination, varnish, UV, and foil lines), bag forming and handle attachment, and quality inspection and packing. Each zone operates as a semi-autonomous cell with its own quality checkpoint, and materials do not progress to the next zone until they have passed the outgoing inspection of the current one.

The factory runs two production shifts per day across a standard five-day week, with a third shift and weekend operation available for urgent or large-volume orders. Total annual production capacity for the paper bag range — across all product formats — exceeds 50 million units. For the takeaway bag sub-category specifically, the facility can sustain a continuous production rate of approximately 8–10 million units per month under normal two-shift operation.

7.2 Minimum Order Quantities and Pricing Structure

Minimum order quantity (MOQ) is one of the most practically important parameters for any buyer evaluating a custom packaging programme. UGI Packaging applies a tiered MOQ structure that reflects the economic reality of production setup costs: plate-making, die-cutting tool creation, and production line changeover all represent fixed costs that must be amortised across the production run. The higher the MOQ, the lower the unit cost — and UGI Packaging’s pricing is designed to be transparent about this relationship.

Order Type	Typical MOQ	Production Lead Time	Notes
Digital sample (new design)	1–50 units	3–5 business days	Printed digitally; for concept validation only, not production representative
Pre-production physical sample	10–30 units	5–7 business days	Uses production plates and paper stock; structurally identical to full run
Standard flexo production run	500–1,000 units	10–15 business days	New design; includes plate-making and press setup
Reorder (existing plates)	500 units	7–10 business days	No plate cost; plates stored at no charge for 24 months
Large-volume run (10,000+)	10,000 units	15–20 business days	Volume pricing applied; dedicated production scheduling available
Wholesale / distributor run (100,000+)	100,000 units	20–30 business days	Priority scheduling; split-shipment arrangements available

All lead times above are calculated from the date of written production approval (signed proof or sample sign-off), not from the date of initial enquiry. Production lead times do not include ocean freight transit time, which adds 18–30 days for most export destinations depending on port of destination and shipping route. UGI Packaging works with a panel of freight forwarders and can provide ex-works, FOB Guangzhou, or CIF destination pricing on request.

7.3 OEM and ODM Services

UGI Packaging offers both OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services for the takeaway bag range. Understanding the distinction is important for buyers at different stages of their packaging programme.

In an OEM arrangement, the buyer supplies complete, production-ready artwork and specifies all structural, material, and finish parameters. UGI Packaging manufactures to the buyer’s specification without design input. This is the standard arrangement for established brands with an in-house design team or existing packaging agency relationships. The buyer retains full ownership of the artwork and design, and UGI Packaging manufactures exclusively for that buyer under confidentiality.

In an ODM arrangement, UGI Packaging’s in-house design team develops the packaging concept, dieline, and visual design based on a brief provided by the buyer. The buyer contributes brand assets (logo, colour codes, tone of voice) and product information, and UGI Packaging develops and iterates the design until the buyer is satisfied. ODM is particularly well-suited to food businesses launching their first custom packaging programme, or to restaurant groups expanding their brand touchpoints who do not have an existing packaging design resource. Full ODM service details are available at the UGI Packaging custom service page.

7.4 Export Markets and Logistics

UGI Packaging exports to over 40 countries across Europe, North America, the Middle East, Southeast Asia, and Australasia. The majority of export volume ships via ocean freight from Guangzhou Nansha Port or Yantian Port (Shenzhen), with air freight available for urgent sample shipments and small supplementary orders. Standard packing for export is flat-pack cartons, typically 200–500 bags per outer carton depending on bag size and construction, with each carton conforming to ISPM-15 phytosanitary requirements for timber-treated packaging materials.

For buyers importing into the European Union, UGI Packaging can provide all required documentation for customs clearance, including commercial invoice, packing list, certificate of origin (Form A or CO), and any required food-contact safety documentation. For UK importers post-Brexit, separate UK-format documentation is prepared. Buyers should discuss specific documentation requirements during the quotation stage to ensure all necessary certificates are included in the production schedule.

Quality Control Standards

Quality control in paper bag manufacturing is not a single inspection at the end of the production line — it is a continuous process of measurement, comparison against specification, and corrective intervention that runs in parallel with every stage of production. At UGI Packaging, quality assurance is structured around a documented system that covers incoming materials, in-process production parameters, and outgoing shipment verification. This section describes that system in full.

“ UGI Packaging operates under ISO 9001 quality management certification, applying documented inspection protocols at incoming material, in-process, and outgoing shipment stages, with all quality records retained for a minimum of three years and available to buyers on request.

8.1 Incoming Material Inspection

Custom heavy duty brown kraft paper bags with handles quality control inspection UGI Packaging

Heavy-duty kraft bags subject to structural load testing at UGI Packaging. FPB90359.

Every roll of paper received at the UGI Packaging factory is subject to incoming quality inspection before it enters the production flow. The inspection protocol covers three categories of measurement: basis weight verification (actual gsm against mill certificate), moisture content measurement (acceptable range: 6–9% relative humidity), and visual inspection for roll defects including edge tears, roll eccentricity, and surface contamination.

Basis weight is verified by cutting and weighing standardised sample squares from the incoming roll. UGI Packaging accepts a tolerance of ±3 gsm from the specified basis weight. Rolls that fall outside this tolerance are quarantined and returned to the paper supplier with a formal non-conformance report. Since 2018, UGI Packaging has maintained a supplier qualification programme under which paper mills must demonstrate compliance with basis weight tolerances across a rolling 12-month production history before being approved as primary suppliers.

Ink deliveries are subject to a parallel incoming inspection process covering viscosity, colour density against reference swatches, and food-contact migration test certificates. All ink suppliers to UGI Packaging must provide migration test data demonstrating compliance with EU Regulation 10/2011 on plastic materials in contact with food, and equivalent standards for target export markets.

8.2 In-Process Quality Checkpoints

In-process quality control at UGI Packaging operates at four specific production checkpoints, each with a defined inspection scope and documented pass/fail criteria. Materials that fail any checkpoint are quarantined and assessed: minor deviations may be corrected and returned to the line; major deviations result in the affected materials being scrapped and rerun.

1Post-Print Inspection

A visual and densitometric inspection is performed on the first 50 sheets of each production run, and then at intervals of every 500 sheets thereafter. Inspectors check colour density against approved press proof (acceptable ΔE ≤ 2.0), registration accuracy between colour passes (tolerance: ±0.3 mm), ink coverage uniformity, and absence of print defects including hickeys, gear marks, and streaks. Any out-of-tolerance reading triggers a press stop and adjustment before production resumes.

2Post-Surface Finish Inspection

After lamination, varnish, UV, or foil application, inspectors perform a rub resistance test (200-cycle Sutherland rub test for laminated surfaces), adhesion cross-hatch test for film laminates, and visual inspection for bubbling, delamination, or uneven coating. Foil-stamped elements are checked for complete foil transfer, clean edges, and absence of foil lifting at fine detail areas.

3Post-Forming and Handle Attachment Inspection

After the bag is formed — side seams glued, base constructed, and handle attached — a structural load test is performed on a sample of 10 units per 1,000 produced. Each bag is loaded to 1.5× its rated load for 60 seconds and inspected for seam failure, handle detachment, and base distortion. Handle attachment pull-force is measured with a spring gauge; minimum acceptance value is 25 N for twisted rope handles and 15 N for flat paper handles.

4Outgoing Shipment Inspection (AQL)

Before packing for shipment, a statistically sampled final inspection is performed using the Acceptable Quality Level (AQL) methodology per ISO 2859-1. UGI Packaging applies an AQL of 1.0 for critical defects (structural failure, food-contact contamination, wrong artwork) and AQL 2.5 for major defects (significant colour deviation, visible print defects). Only lots passing both AQL inspections are released for shipment. A copy of the AQL inspection report is available to buyers on request for each production order.

8.3 Certifications and Documentation

UGI Packaging holds and maintains the following certifications, all of which can be verified by buyers on request and are available through the factory’s documentation management system:

Certification	Scope	Relevance to Buyers
ISO 9001:2015	Quality management system — full factory scope	Confirms documented QMS; required by most European and North American retail buyers
Food Contact Safety	EU Regulation 10/2011 and equivalent; migration testing for inks and coatings	Required for EU, UK, and US food-contact packaging compliance
FSC Chain of Custody	Forest Stewardship Council certification for paper sourcing	Enables FSC-labelled packaging for sustainability claims
SGS / Intertek Factory Audit	Third-party factory audit — social compliance and production capability	Provides independent verification of factory conditions for buyer due diligence
AQL Inspection Reports	Per-order outgoing inspection under ISO 2859-1	Available on request for every production order; retained for 3 years

“ UGI Packaging applies AQL 1.0 for critical defects and AQL 2.5 for major defects on all outgoing shipment inspections under ISO 2859-1 — with full inspection reports retained for three years and available to buyers on request, providing an auditable quality record for every production order shipped.

Buyers who require third-party pre-shipment inspection by an independent inspection company (SGS, Bureau Veritas, Intertek, or equivalent) are welcome to arrange this at their own cost. UGI Packaging cooperates fully with all third-party inspection requests, providing factory access, production records, and sample retention as required. For buyers with specific retail programme compliance requirements — such as BSCI social compliance or specific retailer code of conduct audits — please contact the UGI Packaging sales team before placing orders to confirm compatibility with your programme requirements. Full factory details and contact information are available at ukugi.com/about.

Sustainability & Eco Credentials

Sustainability has moved from a marketing preference to a procurement requirement across the global food service sector. Regulatory pressure — including the EU Single-Use Plastics Directive, the UK Plastic Packaging Tax, and equivalent legislation in Australia, Canada, and multiple US states — is systematically closing the door on non-recyclable food packaging formats. At the same time, consumer research consistently shows that sustainability credentials influence purchase decisions in the food service channel: a 2023 Smithers Packaging Market Research analysis found that over 60% of food service consumers in major European markets considered packaging sustainability when choosing between comparable restaurant brands.

“ UGI Packaging offers four distinct sustainability tiers across the takeaway bag range — recyclable kraft, recycled content kraft, compostable PLA-coated kraft, and FSC-certified paper — enabling buyers to match their packaging specification precisely to their sustainability commitments and the regulatory requirements of their target markets.

9.1 Recyclable Kraft Paper Bags

Eco-friendly brown kraft paper takeaway bags with flat handles recyclable food packaging by UGI Packaging

Eco brown kraft bags with flat paper handles. FPB90321, UGI Packaging (ukugi.com).

The base recyclability of a kraft paper bag depends on two factors: the paper substrate itself, and any coatings or laminations applied to the bag surface. Uncoated or water-based-coated kraft paper is fully recyclable in standard paper recycling streams in virtually all markets. Paper fibres are recovered, repulped, and reprocessed into new paper products with no residual contamination.

The key risk to recyclability in the UGI Packaging range comes from barrier coatings and surface finishes. PE (polyethylene) lamination and BOPP film lamination both render the bag non-recyclable in standard streams, because the polymer film cannot be separated from the paper fibre during the repulping process. Buyers who prioritise recyclability at end-of-life should specify water-based grease-resistant coating (WBGR) for barrier and aqueous varnish for surface finish, rather than PE lamination and film lamination.

UGI Packaging’s specifically designated recyclable bag products — including FPB90378, FPB90381, and FPB90317 — are produced with WBGR barrier coating and aqueous varnish only, ensuring compatibility with kerbside paper recycling collection in the EU, UK, US, and Australian markets. These products can carry the “Recyclable” claim on pack, subject to buyers conducting their own on-pack claim verification for their specific market.

9.2 Compostable Bags

Compostable kraft paper takeout bags with PLA coating biodegradable food packaging by UGI Packaging

Compostable kraft bags with PLA lining. FPB90373, UGI Packaging (ukugi.com).

Compostable packaging goes one step further than recyclable packaging: rather than being recovered and reprocessed, compostable packaging is designed to biodegrade in a composting environment, returning to organic matter without leaving persistent residues. For food service operators running composting programmes — or operating in municipalities where food waste and packaging are collected together for industrial composting — compostable bags represent the most aligned end-of-life pathway.

UGI Packaging produces compostable takeaway bags using kraft paper certified to FSC Chain of Custody standards, with a PLA (polylactic acid) barrier coating on the interior face. PLA is derived from plant starches (typically corn or sugarcane) and is certified industrially compostable to EN 13432 and ASTM D6400 standards under conditions of elevated temperature and humidity. The key distinction between industrial composting and home composting is important: PLA requires the elevated temperatures of an industrial composting facility to biodegrade reliably. In home compost bins or general landfill conditions, PLA degrades significantly more slowly.

The compostable bag range at UGI Packaging includes FPB90373 (compostable kraft takeout bags with twisted handles) and FPB90381 (recyclable kraft takeout bags with handles), both of which are available with composting certification documentation. Buyers intending to make on-pack compostability claims must ensure they obtain the relevant third-party certification (EN 13432 / ASTM D6400 / AS 4736) and verify that their end market has accessible industrial composting infrastructure before making the claim to consumers.

9.3 Recycled Content and FSC-Certified Paper

Beyond end-of-life recyclability and compostability, the sustainability impact of a paper bag is also determined by what happens at the beginning of its life: the origin of the paper fibre. UGI Packaging offers two upstream sustainability credentials: post-consumer recycled (PCR) content paper and FSC-certified virgin kraft paper.

PCR content paper is produced from post-consumer paper waste — collected paper that has already been used by consumers and recycled back into the paper supply chain. Using PCR content reduces demand for virgin wood pulp, lowers energy consumption in paper production, and diverts waste from landfill. As noted in Section 3.2, UGI Packaging specifies PCR kraft at one weight class above the equivalent virgin specification to compensate for the reduced average fibre length of recycled-content paper, ensuring structural performance is maintained.

FSC (Forest Stewardship Council) certification provides an independently audited chain of custody from responsibly managed forests to the finished product. When a buyer specifies FSC-certified paper for their UGI Packaging order, they receive a transaction certificate confirming that the paper used in their production run originated from FSC-certified sources. This certificate enables the buyer to use the FSC logo on their packaging, subject to the buyer holding their own FSC licence. The Sustainable Packaging Coalition publishes guidance on how to apply FSC claims in packaging contexts, and UGI Packaging recommends buyers review this guidance before incorporating FSC claims into their packaging design.

“ UGI Packaging holds FSC Chain of Custody certification, enabling buyers to specify FSC-certified paper for their custom takeaway bag orders and to carry the FSC logo on finished packaging — subject to the buyer holding their own FSC licence for their target market.

9.4 Ink and Coating Environmental Compliance

A bag’s environmental credentials are only as strong as every input that goes into it. Inks and coatings represent a small fraction of the total material weight of a paper bag, but they have a disproportionate impact on recyclability, compostability, and food-contact safety. UGI Packaging applies the following environmental standards to inks and coatings across the takeaway bag range.

All flexographic and offset inks used by UGI Packaging are water-based or UV-cured and are certified free from heavy metals, aromatic solvents, and per- and polyfluoroalkyl substances (PFAS). Compliance is verified by annual migration testing conducted by an accredited third-party laboratory, with test reports available to buyers. For compostable bag configurations, inks are additionally tested for compostability compatibility to ensure that the ink does not inhibit the composting process or contaminate the output compost.

Barrier coatings — PE lamination, PLA coating, and WBGR — are selected and specified in full knowledge of their recyclability and compostability implications, as described in Section 3.3. UGI Packaging does not apply PFAS-containing fluorochemical coatings to any product in the takeaway bag range, in advance of the legislative restrictions progressively being enacted across the EU, UK, and North American markets. This positions buyers sourcing from UGI Packaging ahead of regulatory compliance requirements rather than reactively responding to them.

Customisation Options & Full Specification Reference

Every custom food takeaway bag order at UGI Packaging is built from a set of independently configurable parameters. Buyers can mix and match across these parameters — within the structural and material compatibility constraints outlined in this guide — to create a bag specification precisely matched to their brand, food type, sustainability targets, and budget. This section provides the complete specification reference for the UGI Packaging custom takeaway bag range.

“ UGI Packaging’s custom food takeaway bag range spans eight independently configurable parameters — bag format, paper colour, basis weight, barrier coating, handle type, printing method, surface finish, and sustainability credential — enabling thousands of distinct production specifications from a single manufacturer with vertically integrated production and ISO 9001-certified quality control.

Biodegradable sushi takeout bags custom specification from UGI Packaging Guangzhou China

Sushi-format takeout bag: custom dimensions, twisted handles. FPB90353, UGI Packaging.

The table below consolidates the full range of available options across every configurable parameter for UGI Packaging’s custom food takeaway bag range. When submitting a quotation request, buyers are encouraged to specify their preferences across as many of these parameters as possible — the more complete the specification, the faster and more accurate the quotation response will be. Parameters marked as “Required” must be specified in every order; parameters marked “Optional” will default to the standard option if not specified.

Parameter	Available Options	Standard Default	Required / Optional
Bag Format	Flat bottom, SOS box bottom, sushi format, flat fold lunch bag, multi-format fast food	Flat bottom with gusset	Required
Paper Colour	Natural brown kraft, bleached white kraft, custom dyed (min. 5,000 units)	Natural brown kraft	Required
Basis Weight	80 gsm, 100 gsm, 120 gsm, 150 gsm	120 gsm	Required
Barrier Coating	None (dry goods only), WBGR (water-based), PE lamination, PLA coating	None	Required for food contact
Handle Type	Twisted rope (4 mm / 6 mm), flat paper, die-cut integrated, ribbon, no handle (flat fold)	Twisted rope 4 mm	Required
Dimensions (W × D × H)	Standard sizes from product range, or fully custom (mm)	Standard per SKU	Required
Printing Method	Flexographic (up to 6 colours), offset, screen (opaque / metallic), digital (samples)	Flexographic	Optional (unprinted available)
Surface Finish	None, gloss lamination, matte lamination, soft-touch lamination, aqueous varnish, spot UV, hot foil	None	Optional
Sustainability Credential	Standard, recyclable spec, recycled content (PCR), compostable (PLA), FSC-certified	Standard	Optional
Base Reinforcement	Standard single ply, double ply (for 150 gsm heavy-duty configs)	Single ply	Auto for 150 gsm
Packing & Labelling	Flat-pack carton, custom inner poly bag, carton label (SKU, quantity, artwork ref), export mark	Flat-pack carton, standard label	Optional customisation

✅ UGI Packaging Tip: When requesting a quotation, provide target internal dimensions, maximum food contents weight, and barrier coating requirement as a minimum. These three parameters determine the majority of the structural and material specification and allow the UGI Packaging team to generate an accurate quote within one business day. Full product documentation and the downloadable product catalogue are available at ukugi.com/catalog.

Related Resources

→ Food Packaging Range Boxes, trays & bags → Bakery Packaging Complete Guide Structures & materials → Printing Techniques Guide Flexo, offset, digital → Surface Finish Techniques Lamination, UV, foil → Packaging Materials Knowledge Kraft grades & barrier coatings

Frequently Asked Questions

Q: What is the minimum order quantity for custom printed food takeaway bags from UGI Packaging?

UGI Packaging’s standard minimum order quantity for custom flexographic-printed takeaway bags is 500 units per design. For digital printing (suitable for concept samples and very short runs), the minimum can be as low as 1–50 units. For offset-printed configurations and premium finishes such as foil stamping, a minimum of 1,000 units is typically required to amortise the higher setup cost. Reorders using existing plates start at 500 units. Buyers with requirements below standard MOQ thresholds are encouraged to contact the UGI Packaging sales team to discuss options.

Q: What paper weight should I specify for restaurant meal delivery bags?

For standard restaurant meal delivery bags carrying containers up to 5 kg, UGI Packaging recommends 120 gsm virgin or recycled kraft with a WBGR or PE lamination barrier coating. For heavier orders — such as family meal deals or multi-course restaurant sets — 150 gsm with double-ply base reinforcement is the appropriate specification. The choice of handle type should match the paper weight: twisted rope handles require a minimum of 100 gsm paper for safe attachment, and 6 mm twisted cord handles are specified for 150 gsm configurations.

Q: How long does it take to produce a first order of custom printed takeaway bags?

For a new design using flexographic printing, the production lead time at UGI Packaging is 10–15 business days from written production approval (signed proof or sample sign-off). This covers plate-making, press setup, printing, surface finishing, bag forming, and outgoing QC inspection. A pre-production physical sample — produced on the same plates and paper stock as the full run — can be provided in 5–7 business days from artwork approval for an additional sample charge. Lead times do not include international shipping transit time, which adds 18–30 days for most export destinations by ocean freight.

Q: Are UGI Packaging’s food takeaway bags food-safe for direct contact with hot food?

Bags with an appropriate barrier coating — PE lamination, PLA coating, or WBGR — are suitable for indirect contact with hot food (i.e., food contained within packaging such as boxes, trays, or wrapped items placed inside the bag). UGI Packaging’s barrier coatings are tested to EU Regulation 10/2011 and equivalent international standards for food-contact material safety. For direct food contact — where unwrapped food items touch the bag interior — buyers should specify PE lamination or PLA coating and request the relevant migration test certificates. Uncoated kraft paper bags are suitable for dry goods only.

Q: Can UGI Packaging match my exact Pantone brand colour on brown kraft paper?

UGI Packaging can match Pantone Solid Coated and Solid Uncoated references using flexographic or screen printing on brown or white kraft paper. Because brown kraft paper is itself a warm-toned substrate, cooler or lighter Pantone colours — including pastel shades, cool greys, and light blues — will appear warmer and slightly darker than the Pantone reference value on a white substrate. For colour-critical applications on brown kraft, UGI Packaging provides a ΔE delta report before production, showing the expected colour deviation. A ΔE of 2.0 or below is considered commercially acceptable. For maximum colour accuracy, white kraft paper is recommended as the substrate.

Q: Does UGI Packaging offer compostable food takeaway bags, and what certifications do they carry?

Yes. UGI Packaging produces compostable takeaway bags using FSC-certified kraft paper with a PLA (polylactic acid) interior coating. PLA is derived from plant-based starch and is certified industrially compostable to EN 13432 (Europe) and ASTM D6400 (North America) under controlled composting conditions. Compostable certification documentation is available for all orders using these configurations. Buyers should note that PLA-coated bags require industrial composting conditions — they are not certified for home composting — and should verify that their end market has accessible industrial composting infrastructure before making compostability claims to consumers.

Q: What artwork files does UGI Packaging require for a new custom bag order?

UGI Packaging requires vector artwork files in AI, EPS, or PDF format with all fonts outlined and converted to paths. Images embedded in the artwork must be at a minimum resolution of 300 dpi at the intended print size. Colours should be specified in CMYK or Pantone spot colour — RGB files can be accepted but must go through a colour conversion and proof approval step before production. A 3 mm bleed on all print edges is required, with all text and logos positioned at least 5 mm inside the cut and fold lines. The UGI Packaging pre-press team will review all submitted files and flag any issues before plate-making commences.

Q: Does UGI Packaging provide an ODM design service for buyers without existing packaging artwork?

Yes. UGI Packaging offers a full ODM (Original Design Manufacturer) service for buyers who do not have existing packaging artwork or a packaging design agency. The buyer provides brand assets (logo in vector format, brand colour codes, tone of voice guidelines, and product information), and UGI Packaging’s in-house design team develops the dieline structure, layout, and visual design through an iterative review process. The ODM service includes structural dieline creation, artwork layout, colour separation, and pre-press preparation at no additional charge for orders meeting standard production minimums. Buyers can learn more at the UGI Packaging custom service page.

Q: What quality certifications does UGI Packaging hold for food packaging production?

UGI Packaging holds ISO 9001:2015 quality management system certification covering the full factory scope, FSC Chain of Custody certification for paper sourcing, and food-contact safety documentation for all inks and barrier coatings to EU Regulation 10/2011 and equivalent international standards. Outgoing shipment inspection is conducted under ISO 2859-1 AQL methodology, with AQL 1.0 applied to critical defects. SGS and Intertek factory audits are available on request. All certification documents and AQL inspection reports are available to buyers upon request and retained for a minimum of three years in the UGI Packaging documentation management system.

Ready to Source Custom Food Takeaway Bag Packaging?

UGI Packaging offers full OEM/ODM services with flexible MOQ. Contact our team for a free quote, sample, and technical specification review for your custom food takeaway bag project.

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📍 Official Content Source & Copyright Notice

Originally published at: https://www.ukugi.com/custom-food-takeaway-bag-manufacturer/

Author: Tom Hadley · Food Packaging Specialist

Published: 2026-03-13 | Last Updated: 2026-03-13 | UGI Packaging (ukugi.com)

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