Product Overview
poly mailer shipping bags are made from opaque grey 60Mu film and have a strong self-adhesive seal. With this superb seal, your belongings won't be affected, protecting you from moisture, dust and even air with an incredibly secure seal. What's even more surprising is that he is very strong but not losing lightness, and the 60 micron thick structure makes it resistant to tearing or tearing, making these very difficult to tamper with, so your items should arrive without problems.
feature OF Poly mailer shipping bags feature：
Envelopes Courier Grey Mailer Bags sealable polyethylene shipping It is very quick and easy to seal. Simply remove the clear plastic strip to expose the adhesive and then glue it in place in a matter of seconds. Secondly, all of our products are double or triple co-extruded film, which has the advantage of being impervious to light and ensures the privacy of your documents. What's even more surprising is that they do not overflow even when filled with water, effectively preventing water from entering the interior.
Common Sizes and Thickness Specifications
| Size (inches) | Size (mm) | Common Thickness (mil) | Thickness (μm) | Typical Use Cases |
|---|---|---|---|---|
| 6" x 9" | 152 x 229 | 2.0 / 2.5 | 50 / 63 | Phone cases, small accessories |
| 9" x 12" | 229 x 305 | 2.5 / 3.0 | 63 / 75 | T-shirts, books |
| 10" x 13" | 254 x 330 | 2.5 / 3.0 | 63 / 75 | Dresses, shoe boxes |
| 12" x 15.5" | 305 x 394 | 3.0 / 4.0 | 75 / 100 | Multiple garments, larger items |
| 14" x 19" | 356 x 483 | 3.0 / 4.0 | 75 / 100 | Footwear, small home goods |
Packaging Options:
Bulk flat stacking: 100–500 pieces per bundle, saving storage space
Individual plastic bag packaging: 10–50 pieces per small bag, convenient for distribution
Cardboard outer box: Standard export corrugated box, moisture-proof and pressure-resistant
Pallet packaging: Suitable for large-volume orders, supports shrink wrap securing
Why Choose Us
20+ years of experience in the packaging industry, serving over 2,000 e-commerce brands worldwide.
ISO 14001 & ISO 9001 dual-certified factory.
Free provision of compliance documents: FDA, REACH, RoHS, GRS.
Global direct shipping: Supports FOB, EXW, and DDP, with stable delivery times.
Professional packaging consultant 1-on-1 service: Full support from material selection to design.
Service Content：
| OEM and ODM services | 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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