Custom Window Quad Seal Bags | Food-Grade Barrier Pouch Manufacturer

As a leading China supplier of premium Window Quad Seal Bags, we specialize in food-grade pouch packaging solutions with unmatched barrier protection. ✅ FDA-compliant materials ✅ 100% airtight quad-seal technology ✅ Custom printing (up to 10 colors) ✅ MOQ 500 pieces ✅ ISO 9001 certified production

Our heavy duty barrier pouch design ensures 0% moisture penetration with 120μm multi-layer laminate structure. Request Free Sample →

Technical Specifications

Material Structure 12μm PET / 9μm AL / 50μm PE
Oxygen Transmission Rate <0.05 cc/m²/day (ASTM D3985)
Seal Strength >4.8N/15mm (ASTM F88)
Operating Temperatures -50°C to 121°C
Window Material 12μm BoPET (Biaxially-oriented PET)

Customization Options

6 Key Custom Parameters

  • ✔ Bag Sizes: 100mm-800mm (width) x 150mm-1200mm (height)
  • ✔ Thickness: 80μm-200μm
  • ✔ Printing: CMYK/Pantone, 1-10 colors
  • ✔ Window Shapes: Round/Rectangular/Custom die-cut
  • ✔ Surface Treatment: Matte/Gloss coating
  • ✔ Add-ons: Hanging holes/Tear notch/Ziplock

Industry Applications

Proven Performance Across Sectors

  • ☕ Coffee Packaging: 18-month freshness guarantee for 200+ coffee brands
  • 💊 Pharmaceutical: FDA 21 CFR compliant, 0% contamination in 5-year track record
  • 🛢️ Industrial: Withstand 50kg sharp-edge components without rupture

Explore more applications in our quad seal pouches catalog.


Why Choose Foshan Ruihong?

2013-Founded Factory Advantages

  • 🏭 12,000㎡ production facility with 24h QC monitoring
  • 📈 40% faster turnaround than industry average (15-day standard production)
  • 🔬 R&D team with 17 patented technologies

“Their window bags maintained coffee aroma perfectly for 18 months – something European suppliers couldn’t achieve.”
– James Wilson, UK Coffee Wholesaler


FAQ

Q: What’s your MOQ?

A: 500 pieces for standard sizes, 1000pcs for custom designs.

Q: Can I get samples before bulk order?

A: Yes, we provide 3-5 free samples (you only pay shipping).

Q: How to ensure food safety?

A: All materials have FDA, EU 10/2011, and RoHS certifications.


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