... :PET/AL/PE Feature:recyclable,security style:side gusset free samples tea packaging bag Product description ProductdetailsMaterialOPP,CPP, PE, PET, VMPET, ... per your requirementStyleThree-side seal bag(with zipper or not), side-gusset bag, center seal bag, stand-up bag(with zipper or not) and ... , such as PP,PE,OPP/PET/PA/AL. And the bag can be plastic- plastic laminated packing bags , plastic -aluminum ...