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Back Seal Bag

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High-Performance Custom Back Seal Bags

1. Product Features:

  • Precision Center-Seal Structure: Provides maximum internal volume and exceptional resistance to bursting under pressure during transit.
  • Ultra-High Barrier Technology: Utilizing advanced multi-layer laminates (PET/VMPET/PE or AL) to achieve OTR/MVTR < 0.1, locking in aromas and blocking UV light.
  • Automatic Line Optimization: Engineered with a specific coefficient of friction (COF) for seamless performance on high-speed VFFS (Vertical Form Fill Seal) machines.

The Economical Standard for High-Barrier Coffee Bean Bags and Bulk Food Packaging.

Optimize your large-scale production with Cailyn’s Back Seal Bags. Known for their superior structural integrity and cost-efficiency, these center-seal pouches provide a 100% airtight environment for your most sensitive products.

Brand:
Cailyn

2. Product Advantages
  • Cost-Effective Scalability: The most economical format for high-volume coffee bean bags and wholesale snack packaging.
  • Seamless 360-Degree Branding: The back-seal design allows for continuous graphics across the front and sides, maximizing your brand's visual impact.
  • Enhanced Shelf Life: Proven to keep whole beans and ground coffee fresh for up to 18 months, even in humid climates.
3.Applications

Food:

Snacks: Chips, crackers, popcorn, trail mix

Confectionery: Candies, chocolates, gummies, energy bars

Beverages & Coffee: Instant coffee, tea leaves, powdered drinks

Nuts & Dried Fruits: Almonds, cashews, raisins, dates

Frozen & Specialty Foods: Frozen fruits, ready-to-eat meals, dessert bars

Pharmaceuticals: Tablets, capsules, powders, granules

Pet Food: Treats, supplements

Personal Care: Bath salts, scrubs, face masks, cosmetic samples

Household: Detergents, wipes, air fresheners

Nutraceuticals: Vitamins, protein powders, dietary supplements

Agriculture: Seeds, fertilizers, pesticides

Industrial: Chemical powders, adhesives, bulk materials

4.Competitive Advantage

High-Speed & Efficient Production

Seamlessly compatible with high-speed automatic filling machines, reducing labor costs and boosting productivity.

Superior Product Protection

Strong back seal and high-barrier materials shield products from moisture, oxygen, and light, keeping them fresh, safe, and visually appealing.

Space-Saving & Convenient

Slim, flat design allows easy stacking, storage, and transport, helping you save on warehousing and shipping costs.

Retail-Ready & Consumer-Friendly

Clean, professional appearance with easy-to-open design enhances brand image and customer satisfaction.

Eco-Conscious Options

Choose recyclable or compostable materials to meet sustainability goals and appeal to environmentally conscious consumers.

5. Customer Reviews

"We switched to Cailyn's high-barrier back seal bags for our wholesale line. The consistency of the seals is outstanding, and the barrier data actually matches our real-world shelf-life tests. It's the best value for money we've found."Logistics Manager, Global Roastery Partners (Dubai)

6. FAQ
  • Q: Can these back seal bags include a degassing valve?
    • A: Yes, we can integrate our patented one-way degassing valve on the back or side of the pouch to support fresh coffee roasts.
  • Q: What is the maximum weight these bags can support?
    • A: Our reinforced back-seal structures are capable of supporting up to 5kg (11 lbs) of product with zero risk of seal failure.
  • Q: Do you offer these in recyclable materials?
    • A: Yes, we can produce these using our Next-Gen™ Mono-PE films to ensure your bulk packaging is 2026 PPWR compliant.
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