... bag, good security & permanent adhesive bag. 3.anti-static,customise logo express ba Poly courier bag, express bag, and mailing bag, express delivery bag, mailer bag, ... inside-grey color, 0.05-0.12mm thickness, good security feature and anti-moisture, shockproof, can be recycled.4) ... and deposit packing.5) Style: with permanent adhesive strip seal, anti-faking glue, can be sprayed with serial bar ...