Courier / Mailer Bags
Tear-proof PE poly mailers with self-seal adhesive strip — built for cross-border ecommerce shipping.
- Co-extruded LDPE / HDPE — high tear and puncture resistance
- Permanent self-seal adhesive strip + tamper-evident tear-strip
- Opaque black / grey / white shell hides product silhouette
- OEM print up to 8 colors — logo, return address, full branding
Technical specifications
| Property | Standard | Custom range | Notes |
|---|---|---|---|
| Material | Co-ex LDPE / HDPE | With recycled-PE content | Up to 50% PCR |
| Thickness | 50–120 μm | Custom | Per shipping weight |
| Size | 6×9" – 24×36" | Custom dies | Metric or imperial |
| Seal | Permanent self-adhesive | Plus tear-strip | Tamper-evident |
| Color | Black / white / grey | Custom Pantone | Opaque shell |
| Up to 4 colors | Up to 8 colors | Plate fee per design | |
| MOQ | 5 tons | Mixed-size containers | OEM pricing applies |
Where this product performs
Frequently asked
What thickness should I order for ecommerce?
Apparel and soft goods: 60–80 μm. Books, electronics, mixed weight: 80–100 μm. Fragile or sharp-edge items: 100–120 μm with internal bubble lining (ask about composite mailers).
Do you offer recycled / recyclable mailers?
Yes — PCR up to 50% (mass-balance certified) and full mono-PE structures (curbside-recyclable in PE waste streams). Suitable for sustainability brand programs.
How is the seal applied?
Permanent self-adhesive strip protected by a peel-off liner — single-action close, instant bond. Add a tamper-evident perforated tear-strip for return-merchandise programs.
Can you do full custom print and sizing?
Yes — flexo up to 4 colors standard, gravure up to 8 colors for high-resolution branding. Custom die-cut sizes from 6×9" to 24×36"; metric available.
What is the MOQ and lead time?
MOQ 5 tons (~80,000–250,000 mailers depending on size). Lead time 14–21 days for printed orders + ocean transit. Plain stock can ship in 7 days.
Ready to spec your order?
Send your target gauge, width, and packing format. We reply within 12 hours on business days.