Kraft food packaging guide: types, materials, and how to choose the right option

What is kraft food packaging?

Kraft food packaging is a category of food-grade packaging made from kraft paper — a high-strength material produced via the sulphate pulping process — used to store, transport, and present food products safely. The term covers everything from brown paper bags and greaseproof paper wrapping to corrugated cardboard boxes and food-grade paper cups. Its defining characteristics are tensile strength, a natural unbleached appearance, and compatibility with various barrier coatings that extend its functionality.

Why do so many food businesses continue to choose kraft over plastic alternatives? Part of the answer is regulatory pressure. Part of it is consumer expectation. But real-world experience tells us there is also a practical dimension: kraft paper packaging is genuinely versatile — the same base material can be adapted for dry goods, oily deli products, hot takeaway containers, and chilled deli items, simply by adjusting the coating or lamination.

According to recent 2026 data, the global kraft paper packaging market is projected to approach £40 billion by 2028, growing at a compound annual rate of roughly 4.8%. Meanwhile, over 60% of consumers report preferring food brands that use sustainable paper-based packaging. For UK buyers, that number matters — it translates directly into shelf appeal and brand positioning.

"Packaging is no longer a cost centre — it is a brand signal. For independent food producers in the UK, switching to kraft-based sustainable packaging solutions has measurably improved perceived product quality at point of sale." — Packaging industry analyst, UK Food & Drink Federation summit, 2025

Is kraft paper the same as brown paper?

Not exactly. All kraft paper is brown in origin, but not all brown paper is kraft. True kraft paper is produced using the sulphate process, which preserves long wood fibres and gives the material its characteristic strength. Generic brown paper may be recycled or mixed-pulp stock with lower tensile performance. For food contact applications, the distinction matters because weaker papers are more prone to tearing under grease or moisture load.

Why is unbleached kraft preferred for food use?

Unbleached kraft retains its natural lignin structure, which contributes to tear resistance. Bleaching removes this and introduces chemical residues that complicate food contact material (FCM) compliance. That said, white kraft — which undergoes controlled bleaching — is widely used in food packaging where appearance is prioritised, provided it meets the relevant UK FCM standards. The assumption that darker always means more natural is a persistent industry myth worth addressing directly.

Types of kraft food packaging explained

The most important decision for any UK buyer is matching the right format to the product's actual needs. Kraft food packaging spans a wide range of formats, and selecting the wrong type — even with the correct material — can result in structural failure, compliance issues, or poor customer experience.

Bags, wraps, and flat-sheet formats

Kraft paper bags are the most commonly sourced format across UK food service and retail. They include flat-bottom bags for bakery items, SOS (self-opening square) bags for grocery use, and stand-up pouches with resealable zips for dry goods such as coffee, flour, and nuts. Food grade paper bags intended for direct food contact must carry the fork-and-glass symbol or equivalent UK compliance marking. Deli paper wrapping — thin, slightly waxed or grease-resistant sheet stock — is standard in sandwich shops, butchers, and fishmongers across the UK. Greaseproof paper bags differ from standard kraft in that the base sheet is supercalendered or coated to resist oil penetration without an added lamination layer.

Boxes, trays, and corrugated formats

Corrugated cardboard boxes built on a kraft outer liner are the backbone of food-in-transit packaging. For SME food producers supplying farmers' markets, online direct-to-consumer channels, or wholesale accounts, single-wall corrugated kraft boxes — typically B-flute or E-flute — balance cost and protection well. Natural paper food containers in tray or clam-shell form are increasingly coated with PLA (polylactic acid) or aqueous barrier coatings to handle hot or moist food without collapsing. Takeaway packaging supplies for hot food — burger boxes, chip trays, noodle boxes — are almost exclusively kraft-based in the UK market today, driven partly by single-use plastics regulation and partly by consumer preference.

Composite and laminated formats

Composite kraft bags — kraft outer layer bonded to an inner PE film, metallised PET, or aluminium foil — deliver enhanced oxygen and moisture barrier performance. They are common for coffee pouches, spice packets, and premium snack packaging. The trade-off is recyclability: composite materials cannot be processed in standard paper recycling streams without material separation technology. This tension between performance and end-of-life recyclability is one of the central challenges the industry is resolving in 2026 through water-based barrier coating technology.

UK compliance: FCM regulations and food safety standards

UK food contact material compliance is the area most commonly glossed over by packaging suppliers — and the area that carries the most legal risk for buyers. Since Brexit, the UK has retained and adapted EU FCM legislation under domestic law, meaning the requirements are substantively similar but enforced separately.

What UK FCM regulation requires

The primary legislative framework is the Food Safety Act 1990 combined with the UK Food Contact Materials Regulations (as retained and amended post-Brexit). Under UK FCM rules, all kraft food packaging intended for direct food contact must not transfer substances to food in quantities that could endanger human health, cause unacceptable changes in food composition, or deteriorate the organoleptic characteristics of the food. Practically, this means your supplier must provide a Declaration of Compliance (DoC) — a written statement confirming the material meets UK FCM standards — along with supporting technical documentation. Many UK SMEs purchasing wholesale food packaging do not request this documentation. That is a compliance gap. Food packaging safety standards share common principles globally, but UK-specific compliance documentation must reference UK retained law, not solely EU or US standards post-2021.

Practical compliance checklist for buyers

1. Request a Declaration of Compliance (DoC) citing UK FCM legislation from every supplier.
2. Confirm whether the paper stock is produced under BRC/IOP, FSC, or equivalent certification.
3. Verify that any inks or coatings used comply with EuPIA Good Manufacturing Practice guidelines (adopted by UK industry as standard).
4. Check that food-contact surfaces carry no fluorinated compounds (PFAS), which are under increasing regulatory scrutiny in 2026.
5. Retain all compliance documentation for at least five years — this is required for audit purposes under UK food safety enforcement.

Moisture and grease resistance: coating options compared

Plain kraft paper fails in wet or oily environments. Full stop. The question is not whether you need a coating — it is which coating best suits your product, your sustainability commitments, and your end-of-life disposal pathway. Actual testing across a range of UK food service scenarios reveals meaningful performance differences between the main options.

PLA coating vs wax coating vs aqueous barrier

The recyclability trade-off in practice

PLA-coated kraft packaging is often marketed as compostable packaging materials — and technically it is, under industrial composting conditions above 58°C. The problem is that fewer than 15% of UK local authorities currently collect food packaging for industrial composting. This means PLA-coated packaging, in most UK disposal scenarios, ends up in general waste. Aqueous barrier coatings avoid this problem: they remain within the paper fibre matrix and do not interfere with standard paper recycling. For businesses whose customers are likely to dispose of packaging at home or in a general paper recycling bin, aqueous barrier is the more practically sustainable choice in 2026 — even if PLA carries a stronger marketing narrative. Of course, there are situations where PLA makes sense: if you supply to a food service venue with dedicated industrial compost collection, PLA becomes a genuinely superior end-of-life option.

MOQ, print costs, and lead times for UK SMEs

Cost and minimum order quantity are where most UK small food businesses hit friction when sourcing kraft food packaging. The gap between what large retailers demand and what a 200-unit-per-week artisan bakery can realistically commit to is significant — and suppliers rarely volunteer this information upfront.

Realistic MOQ and cost benchmarks for 2026

Based on recent supplier data and procurement intelligence gathered from UK food trade contacts, the following benchmarks reflect current market conditions. Stock (unprinted) kraft paper bags from UK wholesalers carry MOQs of 500–1,000 units with per-unit costs ranging from £0.04 to £0.18 depending on size and specification. Custom-printed kraft bags using flexographic printing typically require a minimum of 2,000–5,000 units, with setup charges of £150–£400 per colour, and a lead time of 3–5 weeks from artwork approval. Digital printing — now viable for kraft substrates at several UK and European suppliers — has reduced custom print MOQs to as low as 250–500 units, at a per-unit cost premium of roughly 30–50% versus flexo at equivalent run lengths. For corrugated kraft boxes with custom print, MOQs from UK-based manufacturers tend to start at 500–1,000 units, with lead times of 4–6 weeks.

How to reduce costs without compromising quality

Stock range purchasing — choosing from a supplier's existing size range rather than specifying custom dimensions — is the most reliable way to reduce cost for smaller operators. Co-operative purchasing groups, which are increasingly common among UK independent food producers, allow several businesses to aggregate orders and meet higher MOQ thresholds collectively. It is also worth noting that biodegradable food packaging and compostable packaging materials typically carry a 15–25% price premium over standard kraft equivalents. Factoring that into pricing models early avoids unpleasant margin surprises later.

UK retailer requirements: Tesco, Sainsbury's, and Waitrose

Supplying to major UK supermarkets requires navigating packaging standards that go well beyond basic food safety. Each retailer maintains its own technical requirements, and these set the de facto bar for what is acceptable in the UK food retail supply chain.

What the major retailers expect

Tesco requires suppliers to meet its Packaging Policy commitments, which include a preference for recyclable, reusable, or compostable materials aligned with the UK Plastics Pact. For paper-based packaging including kraft formats, Tesco expects FSC or PEFC chain-of-custody certification as a baseline. Sainsbury's has published a packaging reduction roadmap requiring that all own-brand packaging be fully recyclable, reusable, or compostable by 2025 — extending expectations to branded supplier packaging as part of its sustainability screening process. Waitrose, which skews toward premium provenance positioning, places particular emphasis on packaging aesthetics alongside compliance: kraft food packaging and natural paper food containers align well with Waitrose's brand language, but suppliers are expected to demonstrate the absence of PFAS-based coatings and to provide full material composition declarations.

Entry-level documentation requirements

Across all three retailers, new suppliers should expect to provide: a Declaration of Compliance under UK FCM legislation, third-party laboratory migration testing results for food contact surfaces, material composition and recyclability data aligned with the On-Pack Recycling Label (OPRL) scheme, and evidence of supplier auditing under BRC Packaging Materials or equivalent global standard. Failing to have this documentation in place before approaching a retail buyer is the single most common cause of stalled supplier applications among UK food SMEs — and it is entirely avoidable with proper preparation.

Post-Brexit EPR 2024 and sustainable packaging strategy

The UK's Extended Producer Responsibility (EPR) for packaging regulation, which came into full effect in 2024, fundamentally changes the economics of packaging decisions for UK food businesses. If you have not yet assessed how EPR fees affect your kraft packaging choices, this section is worth reading carefully.

How UK packaging EPR affects kraft packaging choices

Under UK Packaging EPR, producers who place packaged goods on the UK market are financially responsible for the net cost of collecting, sorting, and recycling that packaging. Fees are modulated by material type and recyclability. Paper and card — including kraft paper bags, corrugated cardboard boxes, and uncoated natural paper food containers — attract lower EPR fee rates than composite or non-recyclable materials. This creates a direct financial incentive to specify recyclable kraft formats over PE-laminated or wax-coated equivalents. Biodegradable food packaging and compostable packaging materials that cannot be processed in mainstream recycling streams do not attract the recyclability discount, which is a nuance that marketing language often obscures. Businesses with an annual UK turnover above £2 million and placing over 50 tonnes of packaging on the UK market annually are classed as Large Producers and face the full EPR obligation. SMEs below these thresholds are classed as Small Producers with lighter reporting requirements, but are strongly advised to begin tracking packaging data now.

Practical EPR strategy for kraft packaging buyers

The most cost-effective EPR strategy for kraft packaging users in 2026 is to prioritise mono-material, recyclable formats — uncoated kraft bags for dry goods, aqueous-barrier-coated kraft for moist or fatty foods, and FSC-certified corrugated cases for transit. Just as a chain is only as strong as its weakest link, your EPR cost exposure is determined by your least recyclable packaging unit — so auditing your full packaging portfolio and identifying composite formats that can be substituted is the highest-return activity most SMEs are currently overlooking.

How to choose the right kraft packaging supplier in the UK

Choosing a supplier for kraft food packaging is not simply a price comparison exercise. The right supplier relationship protects your compliance position, supports your brand, and scales with your business. Here is a structured approach based on actual procurement experience.

Key criteria for supplier evaluation

Start with compliance capability: can the supplier provide a current Declaration of Compliance, FCM migration test data, and FSC or PEFC certification without being prompted? If the answer is slow or unclear, that is a signal. Assess lead time flexibility — a supplier who can deliver stock lines within 5–7 working days but requires 6 weeks for custom orders may be entirely suitable for a steady-state operation but problematic for a growing brand. Ask specifically about digital print capability if your volumes are below 2,000 units per SKU; this is the format tier where most UK SMEs are currently underserved. Consider UK-based or near-shore European suppliers for shorter lead times and lower minimum freight costs — the landed cost advantage of far-east sourcing often erodes for orders below £5,000 once duties, freight, and compliance management costs are factored in. Finally, evaluate the supplier's own sustainability credentials: do they participate in the UK Plastics Pact, hold environmental management certification (ISO 14001), or publish an annual packaging impact report? These markers correlate with supply chain stability and long-term reliability.

Red flags to avoid

Suppliers who cannot readily distinguish between food-contact-grade and non-food-contact kraft stock should be avoided for direct food packaging applications. Similarly, any supplier claiming their PLA-coated or wax-coated packaging is "fully recyclable in standard paper recycling" without qualification is either misinformed or deliberately misleading — both are problematic. Vague sustainability claims without certification evidence ("eco-friendly", "green packaging") carry increasing regulatory risk under the UK's Green Claims Code, which the Competition and Markets Authority has been actively enforcing since 2023.

In summary, kraft food packaging in 2026 represents a genuinely strong option for UK food businesses navigating the intersection of sustainability regulation, consumer expectation, and cost efficiency. The decisions that matter most — coating type, compliance documentation, EPR fee exposure, and supplier qualification — are all manageable with the right information. Use this guide as a checklist, not just a reference.