... /PE Feature:recyclable,security style:side gusset free samples tea packaging bag Product description ProductdetailsMaterialOPP,CPP, PE, PET, VMPET, VMCPP, ... multi-layers plastic laminated materials, such as PP,PE,OPP/PET/PA/AL. And the bag can be plastic- plastic laminated ... packing bags , plastic -aluminum laminated packing bags , PE or ...