Product Overview
Waterproof Grey Shipping Bags have the role of recycling, long-lasting plasticity, as well as the smooth fabric of our products, with the advantages of strong toughness, stretch resistance and not easy to tear. Secondly, our load-bearing capacity is much stronger than even ordinary products, and can easily cope with ordinary express mail, even in the road will not lead to the breakage of goods; more importantly, its waterproof performance is outstanding, even in the rain, the package does not get wet. In general, this product is good value for money, but with quality assurance, which is loved by the majority of customers.
Feature OF Waterproof Grey Shipping Bags
Waterproof Grey Shipping Bags has the advantage of being weather resistant, tear resistant, puncture resistant and will not break even when over wrapped. Secondly, it is so easy to peel and seal that you can simply peel back to expose the adhesive and seal your important documents in seconds. In addition, our adhesive is permanent, once your important documents are sealed, they cannot be resealed, cannot be opened, and will not damage the mailing bag, which is very secure.
Application Scenarios
Fashion & Apparel – T-shirts, jeans, lingerie, accessories.
Beauty & Personal Care – Cosmetics, skincare bottles (with bubble lining).
Electronics – Phone cases, cables, small gadgets.
Books & Stationery – Magazines, notebooks, art supplies.
Home & Living – Small decor, kitchenware, toys.
Subscription Boxes – As outer protective packaging.
Marketplace Sellers – Amazon FBA, eBay, Shopify, Etsy, Temu, Shein suppliers.
Size & Thickness Chart
| Size (W x L) | Thickness (microns) | Typical Use Case |
|---|---|---|
| 150mm x 200mm | 30 - 50 | Jewelry, small accessories |
| 200mm x 300mm | 50 - 80 | Books, phone cases, cosmetics |
| 250mm x 350mm | 80 - 100 | T-shirts, small electronics |
| 300mm x 400mm | 80 - 100 | Jeans, hoodies, 2-3 items |
| 350mm x 450mm | 100 - 120 | Shoes, small toys, home decor |
| 400mm x 500mm | 100 - 120 | Multi-item fashion orders |
| 450mm x 600mm | 120 - 150 | Jackets, large electronics |
| 500mm x 700mm | 120 - 150 | Bulky items, bedding, pillows |
Production Process & Structure
Extrusion – Raw material (LDPE/HDPE/biodegradable pellets) is melted and blown into film.
Printing – High-precision flexographic or rotogravure printing for branding.
Slitting & Folding – Rolled film is cut to width and folded (vest-fold or center-fold).
Side Sealing – Heat or ultrasonic sealing to form a strong gusset or flat bottom.
Peel-and-Seal Strip Application – Self-adhesive glue strip covered by release paper.
Die-Cutting & Perforation – Creates final shape and tear notch for easy opening.
Quality Control – Tensile, seal strength, and waterproof testing.
Service Content：
| Service Content： | The company provides OEM and ODM services to meet the diverse needs of different customers |
| Production using recycled materials | Many of our products contain at least 30% recycled content, avoiding the additional cost pressures of increased taxes on imported plastic packaging. |
| Certificate | ISO14001, ISO9001, SGS-REACH, SGS-LDPE polyethylene bag (30% recycled material), USB TEXT5873-GRS-2022-01 |
| Packaging method | Boxed, bagged, custom packaging |
| Delivery time | Usually about 35 days after receiving advance payment and confirming all details |
| Sample/supply quantity | 3-7 days. Some of our samples are free, and some are chargeable. Can supply more than 50 containers per month |
| Minimum order quantity | According to specifications, between 100kgs-1000kgs |
| Price | Depends on size, thickness, packaging and printing |
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