Kraft Paper Sandwich Wrap Box with PLA Window and Soy-Based Ink for Food Service
Quick Specs
| Category | Kraft eco boxes |
|---|---|
| Material | 350gsm Unbleached Kraft Board / PLA Window / Soy-Based Ink / Grease-Resistant Coating |
| MOQ | 5000-10000 units |
| Price | $0.20-0.95/pc |
| Certification | ISO 9001, FSC, EN 13432 |
| Sample | 3-5 days |
| Production | 7-15 days |
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Product Overview
Bincai’s kraft paper sandwich wrap box with PLA compostable window combines sustainability with food service functionality. The 350gsm unbleached kraft board provides a natural, earthy brand aesthetic while the PLA window — derived from renewable corn starch — offers product visibility and full compostability. Printed with soy-based inks and featuring a water-based grease-resistant interior coating, this box meets EN 13432 and ASTM D6400 standards for industrial and home composting. The auto-lock bottom design enables rapid assembly, making it ideal for high-volume food service operations.
Manufacturing Specifications
- Board: 350gsm unbleached kraft board — natural brown finish, no bleaching agents
- Window Material: 40-micron PLA (polylactic acid) film — certified compostable per EN 13432, clarity >92%
- Printing: Soy-based ink, up to 4-color offset on KBA 1050 press
- Interior Coating: Water-based grease barrier — repels oil/moisture without plastic lamination
- Closure: Auto-lock bottom with tuck-top lid
- Assembly: Flat-packed, pops open in 2 seconds
- Compostability: Home compostable (6 months) and industrial compostable (90 days)
- Daily Output: 1.7M boxes
- Certifications: ISO 9001:2015, FSC Chain-of-Custody, EN 13432 compostable
Size Configurations
| Food Type | Box Size (L×W×H) | Capacity |
|---|---|---|
| Standard Sandwich | 160×140×75mm | 1 sandwich or wrap |
| Large Sandwich/Burger | 180×150×85mm | 1 large burger or double sandwich |
| Pastry/Danish | 140×120×65mm | 2-3 pastries |
| Salad Bowl | 200×180×90mm | 500ml salad capacity |
| Wrap/Pita | 220×100×80mm | 2 wraps |
Customization Options
| Option | Available Choices |
|---|---|
| Board | 300gsm, 350gsm, 400gsm natural kraft or OCC recycled board |
| Window | PLA (compostable), rPET (recycled, non-compostable), or no window |
| Window Shape | Rectangle, oval, custom die-cut shape |
| Printing | Soy-based ink CMYK + 1 Pantone spot |
| Coating | Water-based grease barrier (standard), PLA bioplastic lining |
| Closure | Auto-lock bottom, tuck-top, or tab-lock top |
| Add-ons | Ventilation holes, tear-off coupon panel, QR code for sustainability story |
| MOQ | 5,000 units per SKU |
Sustainability Credentials
| Credential | Detail |
|---|---|
| Board Source | FSC-certified mixed sources — chain-of-custody verified |
| Window | Plant-based PLA — 68% lower carbon footprint than PET |
| Ink | Soy-based — VOC-free, biodegradable |
| Coating | Water-based — no PFAS, no plastic lamination |
| End-of-Life | Home compostable (EN 13432) — breaks down in backyard compost |
| Recyclability | Kraft board recyclable in standard paper streams (window removed) |
Production Quality
| Test | Standard | Specification |
|---|---|---|
| Grease Resistance | TAPPI T-559 | Kit rating ≥8 (60°C, 24h) |
| PLA Clarity | Internal | ≥92% light transmission |
| Auto-lock Function | Internal | ✓ Pops open with single squeeze |
| Print Colorfastness | Internal | No soy ink transfer after 48h stacking |
| Compostability | EN 13432 | ≥90% biodegradation within 180 days |
| Food Safety | EU 1935/2004 | Migration limits compliant |
Competitive Differentiation — Compostable Food Box vs Conventional Alternatives
Food service packaging is at a regulatory tipping point. The EU Single-Use Plastics Directive (SUPD) is phasing out plastic food containers, and 14 US states have active EPR bills. Bincai’s compostable sandwich box solves today’s compliance headache AND tomorrow’s brand positioning.
vs. Plastic Clamshells + vs. Non-Compostable Paper Boxes
| Factor | PET Clamshell | PE-Coated Paper Box | Bincai Compostable Kraft Box |
|---|---|---|---|
| Regulatory Status | Banned under EU SUPD (effective 2026); subject to plastic tax (EUR 0.80/kg) | PE lining = non-compostable; still classified as plastic-containing waste | PLA window + soy ink + kraft = fully compostable (EN 13432 certified); zero plastic tax |
| End-of-Life | Landfill (92% of plastic food containers globally) | Recycling stream contamination (PE lining ruins paper pulp) | Industrial compost within 90 days; home compost within 180 days (seed-infused variant available) |
| Food Safety | PET = food-safe but migrates antimony at high temperatures | PE lining melts >80°C; potential chemical migration | PLA window stable to 55°C; soy ink = food-grade, no heavy metals; kraft = FDA 176.170 compliant |
| Grease Resistance | Excellent (plastic) | Fair — grease penetrates PE coating within 2 hours | Natural kraft density + optional PLA inner coating = 4-hour grease holdout at 40°C |
| Consumer Perception | “Cheap plastic” — 71% of consumers prefer paper packaging (Two Sides 2025 survey) | “Greenwashing” — looks eco but isn’t | “Visible sustainability” — kraft texture + PLA transparency signals real commitment |
| Cost per Unit | ¥0.30-0.60 (commodity) | ¥0.50-0.90 | ¥0.80-1.50 — premium of ¥0.20-0.60 over PE-coated; saves EUR 0.80/kg plastic tax in EU |
| MOQ | 10,000+ (thermoforming minimum) | 5,000+ | 500 pcs — test market entry with zero tooling investment |
The Regulatory Arbitrage: An EU food service chain using 500,000 sandwich boxes annually saves EUR 20,000-30,000 in plastic packaging taxes just by switching from PE-coated paper to fully compostable packaging. The per-unit premium of ¥0.20-0.60 is offset 3-5× by tax savings alone — before accounting for the marketing value of being “the restaurant that composts.”
Related Resources
- Food-Grade Paper Box Packaging: Bincai Standards for Safety & Compliance → — Covers FDA 176.170, EU 1935/2004, and EN 13432 compostability requirements that govern food-contact paper packaging. Learn how Bincai’s dedicated food-safe production line ensures compliance across every material, ink, and adhesive.
- Explore All Kraft Eco Boxes → — Browse our full range of sustainable kraft packaging: compostable food boxes, FSC-certified gift boxes, soy-ink printed mailers, and plastic-free retail packaging.
Why Choose Bincai
Bincai leads the transition to sustainable food packaging with a dedicated eco-friendly production line in our 18,000 sqm facility. FSC chain-of-custody certification ensures responsible fiber sourcing from forest to finished box, while our EN 13432 compostable certification provides verified end-of-life claims — not just marketing. For food service brands, QSR chains, and corporate cafeterias looking to eliminate single-use plastics without sacrificing functionality, Bincai’s kraft PLA window box delivers the complete solution.
Why Choose Bincai
23 years · ISO 9001 · FSC Certified · 1.7M boxes/day · 200+ global brands
| 🏭 Experience | 23 years since 2003 |
| 📐 Factory | 18,000m² (10,000+8,000 smart factory) with KBA & Heidelberg presses |
| ✅ Quality | ISO 9001:2015 certified |
| 🌿 Eco | FSC certified sustainable materials |
| 🚀 Capacity | 1.7M+ color boxes + 220K+ gift boxes daily |
| 🎨 Custom | Any size, color, finish, insert |
| 📦 MOQ | 500-1000 pcs, trial orders accepted |
| 🆓 Sample | Free pre-production sample (freight collect) |
| 🌍 Shipping | Worldwide DHL/FedEx/UPS/Sea |
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