Bio-Based Courier Bag/Poly Mailer
An environmentally friendly plastic bag made partially or entirely from renewable biomass materials (such as corn, sugarcane, cassava, etc.) as raw materials.
It replaces part of the petroleum-based plastic components in traditional courier bags by converting biomass into polymers.
It replaces part of the petroleum-based plastic components in traditional courier bags by converting biomass into polymers.
- ✦Sustainable Material：Reduced fossil plastic via bio-additives without losing strength.
- ✦Tear-Proof Power：Exceptional puncture resistance for rigorous logistics.
- ✦Total Privacy：100% opaque inner layer protects contents from prying eyes.
- ✦Tamper-Evident Seal：Industrial-strength adhesive for a secure, waterproof finish.
- Product Details
Ⅰ.Features & Advantages
1. Carbon reduction and source-level environmental protection
Complies with the “dual carbon” strategy. Its raw materials come from plant crops, which can absorb carbon dioxide during growth. Therefore, bio-based materials have significantly lower carbon emissions throughout their full life cycle compared with purely petroleum-based plastics.
2. Excellent mechanical performance
Compared with fully biodegradable courier bags, bio-based courier bags have stronger toughness. Their stretchability and puncture resistance are also closer to traditional PE courier bags. They can be made thinner while remaining stronger, making them more suitable for carrying heavy goods or products with sharp edges and corners.
3. Longer shelf life
Bio-based bags are less sensitive to temperature and humidity than fully biodegradable courier bags. They have stability similar to traditional plastics, so there is no need to worry about natural decomposition caused by long-term warehouse storage.
4. Extremely high cost performance
Among environmentally friendly packaging solutions, the cost of bio-based courier bags is usually between ordinary plastic bags and fully biodegradable bags. If you want to demonstrate environmental responsibility while controlling packaging costs, this courier bag is a balanced option that combines both advantages.
Ⅱ.Product Specifications
| project | parameter |
| Material |
Bio-based Polyethylene (Bio-PE) / Biomass-filled Resin + Recycled PE / Virgin PE
|
|
Bio-based Content
|
30%+,customizable according to requirements
|
|
Size
|
Multiple standard sizes and custom sizes available
|
|
Thickness Specifications
|
40–70 μm
|
|
Appearance Texture
|
Smooth surface, good gloss, and high print color clarity
|
|
Sealing Adhesive
|
Strong tamper-evident hot melt adhesive
|
|
Certification Marking
|
Can print bio-based content ratio labels (such as OK biobased certification)
|
|
Customization
|
Supports customization of various sizes, logos, colors, and other requirements
|
Ⅲ.Applications
1. Mass consumer brands
Suitable for fast fashion clothing brands, daily necessities e-commerce businesses, and similar brands that require large-scale cost control while also communicating a low-carbon and environmentally friendly brand position to the public.
2. Heavy-duty / large parcels
Because its strength is better than fully biodegradable bags, it is highly suitable for shipping shoeboxes, heavy winter clothing, home textile products, and other goods requiring packaging toughness.
3. Preferred option during policy transition periods
In countries and regions where 100% fully biodegradable packaging is not yet mandatory, companies seeking environmental transformation can use this bio-based courier bag as a highly cost-controlled transitional option.
Ⅳ.FAQ
Q: Are these bags completely biodegradable?
A: No. They are bio-based material, not fully biodegradable under normal natural conditions. Only suitable for industrial composting environments.
Q: How should we store these bio-based bags?
A: Store in cool and dry place, avoid direct sunlight, high temperature and humidity.
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