plastic courier bags Made of PE,multilayer co-extrusion,Self-adhesive permanent seal tape outside-white and inside-black plastic courier bags1.Made of PE,multilayer co-extrusion 2.Self-adhesive 3.Bio-degrdable,ECO-friendly 4.Opaque for privacyMaterialLDPE,HDPE,PE,ETC for Courier bagSize14''X6.5'',16.7''X13.3'',22.6''x15'' ETC.Colorup to 8 colorsThicknessfrom 0.03mm-0.2mm , or as ...