Attribute	Description
Material	Outer layer: Industrial-grade BOPET (40-60µm, anti-static, UV-resistant) + Aluminum Foil (7-12µm); Inner layer: Food-grade PE (70-100µm, heat-sealable, moisture/oxygen barrier). Zipper closure: Food-grade PE zipper with double-seal track for airtight storage.
Structure	4-layer laminate (BOPET + Aluminum Foil + Adhesive + PE) with reinforced side gussets and tear-resistant seams for industrial stacking.
Surface Finish	Matte black/silver finish (gloss ≤15 GU at 60° ISO 2813) with anti-static coating (surface resistance ≤10⁹Ω).
Printing & Branding	High-resolution flexographic printing; supports Pantone colors, QR codes, and custom logos (compatible with FDA-compliant inks).
Seal & Closure	Reusable PE zipper closure (tested for 500+ open/close cycles); heat-sealed bottom and sides (seal strength ≥5.0N/15mm, ASTM F88).
Certifications	FDA 21 CFR 177.1630, EU 10/2011 food-safe, RoHS, ISO 22000, ESD S20.20 anti-static compliance.
Capacity	5lbs (2.27kg) to 50lbs (22.7kg); optimized for bulk coffee beans, snacks, or pet food storage.
Dimensions	- Width: 12-24 inches (30-60cm) - Height: 18-36 inches (45-90cm) - Gusset: 2-4 inches (5-10cm) (pallet-ready).
Packaging Format	Stackable flat-packed units with interlocking edges; 100-500 bags/pallet (dust-proof, shock-resistant).

Product Specifications

Parameter	Details
Material Thickness	- BOPET outer: 40-60µm - Aluminum Foil: 7-12µm - PE inner: 70-100µm - Total thickness: 120-180µm.
Barrier Performance	- Oxygen Transmission Rate (OTR): ≤0.3 cm³/m²/day - Moisture Vapor Transmission Rate (MVTR): ≤0.2 g/m²/day.
Seal Strength	- Zipper closure: ≥4.0N/15mm (ASTM D882) - Heat seal: ≥5.5N/15mm (ASTM F88).
Temperature Tolerance	- Sealing range: 130-220°C - Storage: -30°C to 60°C (freezer-to-warehouse safe).
Reusability	Zipper tested for 500+ cycles without leakage (ASTM D999 vibration resistance).
Abrasion Resistance	≥5.0 on Sutherland Rub Test (1,000 cycles, 5lb load).
Sustainability	Recyclable PE layer; REACH-compliant adhesives and coatings.
MOQ	100 pieces.
Additional Features	- UV-resistant outer layer (≤3% gloss loss after 1,000h xenon testing) - Anti-puncture design (withstands 50kg stacking load).