Sealable Paper Bags with Window

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Product Description

For moisture-absorbing foods such as biscuits, bread, nuts, and coffee beans, resealable kraft paper bags achieve long-lasting freshness through a combination of "high-barrier materials + sealing structure": ① The material is food-grade virgin kraft paper (compliant with FDA 21 CFR 176.170 certification and EU LFGB certification), with an inner layer that can be laminated with food-grade PE film or silicone paper to enhance moisture and oil resistance (oil penetration time ≥12 hours, water vapor transmission rate ≤3g/m²・24h); ② The sealing method uses a "self-sealing strip + easy-tear opening" design, with the strip reapplied ≥10 times. After each sealing, the oxygen transmission rate is ≤5cc/m²・24h, ensuring that biscuits remain crisp within 15 days of opening and that coffee beans retain their flavor for up to one month; ③ Customized designs are available to suit the characteristics of each product category. For example, coffee bean packaging can be printed with a "one-way exhaust valve" (releasing carbon dioxide to prevent bag expansion), and nut packaging can be printed with... The "light-blocking coating" (prevents grease oxidation) meets the professional requirements of food storage.

Food is the core application area for resealable kraft paper bags, especially suitable for food categories that are "repeatedly used and easily absorb moisture and spoil," fundamentally solving the problems of "freshness after opening" and "food contact safety."

Frosted window design: Waterproof and moisture-proof. Easy identification of contents, highlighting quality and increasing added value. Rounded corners and easy-tear design, heat-sealed, user-friendly design, no tools required, convenient opening. Widened sealing strip: Strong seal, not easily pried open, reusable. Thickened bottom seal: Stronger load-bearing capacity, increased volume allows for standing upright and the bottom is not easily detached.

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