Air mail bag is safe for mail package and used very widely for air mail, post, express, mailing, delivery, courier....
1. The mailing bags used very widely in post, mailling, express, courier industry like EMS, Fedex, UPS, TNT, DHL......
2. material:special material, coextrusion film of PE, white outside and black inside, thickness:0.08mm;
3. size: W22 x (L32 + 5)cm;
4: description: self-adhesive tape closure;
5: printing: four colours printing;
6: ECO-friendly, nontoxic and safe, passed SGS test, green products;
7. user-defined material, thickness, design, style, size , colours and logo are acceptable