... 12mmbag size35*45+5cm flapsealpermanent self-adhesive sealprintinglogo by copperplate and offset printingusageonline shopping, courier packing, express delivery1) Strict ... your logo artwork design.3) Material: LDPE or HDPE coextrusion material, outside-white and inside-grey color, 0.05-0. ... , non-woven environment-protected materials, OPP, PP, HDPE, LDPE, CPP, PPU, PVC, PE/PO, PO/PE, CPE and EVA, etc.