... 2.CO-EX courier bag, good security & permanent adhesive bag. 3.anti-static,customise logo express ba Poly ... materialthickness0.05-0.12mmbag size35*45+5cm flapsealpermanent self-adhesive sealprintinglogo by copperplate and offset printingusageonline shopping, courier packing ... courier mailing and deposit packing.5) Style: with permanent adhesive strip seal, anti-faking glue, can be sprayed with serial ...