Attribute	Specifications	References
Material Composition	Food-grade laminated nylon: Multi-layer structure (exterior embossed nylon + inner PE barrier). Compliant with FDA 21 CFR 177.1520 and EU Regulation 10/2011 for direct food contact. Optional 30% PCR-PE layer for sustainability 3 5 .	3 5 8
Embossing & Design	- Luxury embossed textures: Gold/silver foil stamping, laser-etched patterns, or 3D浮雕效果 for tactile branding. - Customizable designs inspired by Pentawards-winning aesthetics 4 .	4 7
Barrier Properties	- Oxygen Transmission Rate (OTR): ≤0.1 cc/m²·day (25°C, 0% RH). - Water Vapor Transmission Rate (WVTR): ≤1.0 g/m²·day (38°C, 90% RH). - UV-resistant inner layer blocks 95% light to prevent chocolate bloom 3 5 .	3 5
QR Code Traceability	- Encrypted QR codes: ISO/IEC 18004-compliant, linking to blockchain-based traceability platforms (e.g., cocoa origin, batch ID, expiry dates). - Tamper-evident QR labels with holographic "VOID" patterns 9 10 11 .	9 10 11
Functional Design	- Tamper-evident seals: Dual-layer heat-sealed edges (≥25N/15mm strength). - Anti-static inner coating to prevent cocoa dust adhesion. - Resealable zipper closure (≥15N/15mm) 1 6 .	1 6
Certifications	- FDA, BRC, ISO 22000, QS, HACCP. - RoHS and REACH compliant for heavy metal restrictions 8 .	8
Sustainability	- Recyclable nylon/PE laminate compatible with industrial recycling streams. - Optional compostable PLA variant (EN 13432 certified) 1 3 .	1 3
Customization Options	- 8-color rotogravure printing for seasonal/limited-edition designs (e.g., Christmas motifs, brand storytelling). - Sizes: 80x120mm to 250x350mm (adjustable for truffles, bars, or gift boxes) 4 7 .	4 7
Logistics & MOQ	- MOQ: 10,000–50,000 units (custom designs). - DHL-optimized rolls: Core diameters 76mm/152mm, palletized for humidity-controlled shipping 6 8 .

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