... price .Waterproof strong printing: as you need, LDPE courier express mailing bag our advantage:1)quality: ISO9001 certification all raw material ... /PO, PO/PE, CPE and EVA. etc. other relative name:mailing bag.express bag all raw material:can provide SGS certification1 ... clear to rainbow.6.Packaging: Packed in poly bags,dispenser box,cartons etc. 7.customized Design,size,packaging,colour.etc are ...