... mail order bagFeatures and Specifications:a)material: HDPE, LDPE coextrusion material, outer-white and inner-black or grey ... printing.e)style: side and bottom sealed, the bag has strong permanet adhesive seal strip. Once you ... stick onto the bag, you can not open it again uncless ... for packing waybill can be made on the bag.Our advantages:1. high quality and good competitive ...