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Custom Size Bio-degradable Thermal Bags – Metallic Foil Zip-Lock Insulation Bags for Food Storage & Delivery
Maintain perfect temperatures while supporting sustainability with our custom size bio-degradable poly metallic foil zip-lock thermal bags. Engineered for high-performance insulation, these bags feature an advanced Metallic Foil Lamination that reflects heat and blocks external temperatures, keeping food hot or cold for extended periods. Crafted from innovative Bio-degradable Poly materials, these bags provide an eco-friendly alternative to traditional plastic insulation without compromising on durability or thermal efficiency. The heavy-duty zip-lock closure ensures an airtight, moisture-proof seal, preventing leaks and preserving freshness. Fully customizable in size to fit anything from small snacks to large meal kits, our thermal storage bags are the professional choice for eco-conscious food delivery services, grocery retailers, and industrial catering.
Key Benefits:
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Advanced Thermal Insulation: Reflective foil layer maintains internal temperature for hours.
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Eco-Friendly & Bio-degradable: Innovative materials that break down naturally to reduce environmental impact.
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Moisture-Proof Zip-Lock: Provides a secure, resealable barrier against air and liquid seepage.
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Tailored Custom Sizing: Precision-made to fit your specific product dimensions and delivery requirements.
Product Introduction
In the world of temperature-sensitive logistics, the packaging must be both a shield and a responsible choice. I’ve noticed that while thermal protection is essential, many customers are now demanding “greener” alternatives; that’s why I personally oversee the lamination of our Bio-degradable Thermal Series. We’ve combined high-efficiency metallic insulation with plant-based or degradable polymer films to create a pouch that performs brilliantly and decomposes responsibly. These bags aren’t just for storage; they are a high-performance, climate-friendly delivery tool designed to ensure your food arrives in “kitchen-fresh” condition while showcasing your brand’s commitment to the planet.

Key Features
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Multi-Layer Thermal Barrier: Utilizing a core layer of high-reflectivity metallic foil that blocks up to 97% of radiant heat transfer, ensuring superior cold and heat retention.
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Certified Bio-degradable Poly Film: The outer and inner layers are made from specialized compostable or degradable resins that maintain strength during use but break down after disposal.
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Industrial-Grade Resealable Zipper: Features a wide-track, easy-to-seal zipper that creates an airtight environment to prevent temperature loss through the top header.
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Reinforced Side Gussets & Seals: Utilizing high-frequency thermal welding to ensure the bag can handle the weight of ice packs or heavy frozen goods without bursting.
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Lightweight & Space-Saving: Unlike bulky foam boxes, these flexible thermal bags can be stored flat, significantly reducing your warehouse space and shipping costs.
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Food-Safe & Non-Toxic: Manufactured in a sanitized environment using 100% food-grade materials, ensuring zero chemical transfer to your food products.
Specifications Table
| Feature | Details |
| Material | Bio-degradable Polymer + Metallic Foil Lamination |
| Insulation Type | Thermal Barrier (Hot & Cold Retention) |
| Closure | Heavy-Duty Resealable Zip-Lock |
| Sustainability | Bio-degradable / Eco-Friendly |
| Customization | Full Custom Sizing, Thickness, and Branding |
| Application | Food Delivery, Frozen Goods, Seafood, Pharmaceuticals |
Customization Options
| Option | Details |
| Custom Dimensions | From small medicine pouches to large-format catering delivery bags |
| Handle Integration | Optional die-cut handles for easy carrying of meal kits |
| Full-Color Printing | High-precision branding using eco-friendly water-based inks |
| Thickness (Gauge) | Adjustable insulation thickness based on transit time requirements |
| MOQ | 3,000 – 5,000 pcs (Optimized for specialized bio-thermal lamination) |
Why Choose Us
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Insulation Tech Innovators: We specialize in combining advanced thermal physics with the latest bio-degradable material science.
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Rigorous Temperature Testing: Every batch of our thermal bags is tested for heat retention consistency to ensure reliable performance for your cold chain.
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Global Eco-Compliance: We provide the necessary certifications (e.g., EN 13432) to help you meet international environmental regulations.
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Factory-Direct Value: Get cutting-edge, eco-friendly insulation technology at competitive wholesale prices directly from the source.



















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