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China Suppliers Factory Resealable Zipper Snack Package Ziplock Bags - Durable and High-Quality Food Storage Solutions

Our manufacturing process in China begins with precision extrusion using advanced film-blowing machines, turning polymer pellets into uniform thin films with a typical thickness of 50-200μm. As leading suppliers in the industry, we utilize cutting-edge die-cutting systems to transform these films into specific dimensions. We also offer optional rotary printing units that apply custom graphics with food-grade inks before the cutting process. Our critical sealing mechanism features heat-sealing technology, operating at 140-160°C, which fuses bag edges while incorporating interlocking zip tracks made from compatible polymers like HDPE for improved closure integrity. As a trusted factory, we follow rigorous quality control protocols to verify over 5,000 open/close cycles through automated testing rigs, ensuring mechanical durability in temperature ranges from -20°C to 60°C.

    Product Description

    Item Custom PE Packaging Bag Resealable Food Storage Zip lock bag
    Material EP, EPP, EPC etc.
    Size from 5 to 70cm customized as request
    Thickness from 0.025-0.25mm customized as request
    colors Any color available
    Bag Type Zipper bag, self sealing bag, flat pocket,etc.
    Feature
    • 1. Moistureproof, waterproof, insect proof, mildew proof, non-toxic and tasteless, strong flexibility, convenient sealing, very durable;
    • 2. It can be reused;
    • 3. All kinds of patterns and words can be printed, and the printing content can be customized;
    • 4. Good transparency and sealing performance;
    • 5. Zipper seal design, good sealing, neat edge sealing, bookbinding air hole;
    • 6. No peculiar smell, tight seal, good leak proof, but it is not recommended to pack liquid;
    • 7. Environment friendly and degradable.
    sample available for free but shipping cost as your side
    Design free design or by customer's artwork
    Application Bedding bags, shopping bags, gift bags, storage bags, waterproof bags, jewelry bags, general packaging, food bags, cosmetics bags, clothing bags, daily necessities bags, digital packaging,etc
    Certificate Export license,ISO, Health Certificate,,FORM A,CO,SGS
    TradeTerms EXW/FOB/C&F/CIF
    Note If you have any bags request, do not hesitate to send an inquiry.We will reply to you at first time.

    Product Features

    Zipper storage bags represent an innovative packaging solution crafted from polymer materials like low-density polyethylene (LDPE). These self-sealing containers combine material science with practical design, featuring inherent non-toxicity, odorless composition, and exceptional optical clarity that maintains 90%+ light transmission. The molecular structure of LDPE grants remarkable tear resistance (typically 3-5N/mm² tensile strength) while preserving material flexibility, achieving optimal balance between durability and pliability. Chemically inert properties ensure compatibility with various stored contents, creating an effective barrier against oxygen infiltration.

    Frequently Asked Questions

    Q1: What materials are used for these resealable food storage bags?

    Our bags are manufactured using high-quality polymer materials such as PE, PPE, and CPE. These materials ensure that the bags are non-toxic, odorless, highly flexible, and safe for food contact.

    Q2: Can I customize the size and printing of the packaging bags?

    Yes, we support full customization. Sizes are available from 5cm to 70cm as requested. We can also print custom patterns, logos, and words according to your artwork.

    Q3: Are these PE zipper bags waterproof and leak-proof?

    Yes, the bags feature excellent moistureproof, waterproof, and tight sealing capabilities. However, due to the zipper seal design, we do not recommend using them for packaging liquids.

    Q4: What is the thickness range of your custom packaging bags?

    We can customize the thickness from 0.025mm to 0.25mm to suit different applications, from lightweight daily packaging to heavy-duty storage.

    Q5: Are these ziplock bags reusable and environmentally friendly?

    Absolutely. These bags are designed for durability and can be reused multiple times. They are also environmentally friendly and degradable, minimizing environmental impact.

    Q6: Do your products come with quality certifications?

    Yes, our factory and products are fully certified. We hold export licenses, ISO, Health Certificates, FORM A, CO, and SGS test reports to ensure global compliance.

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