... SGS(third certificate) Samples available big quantity make disco plastic film in rollSpecial Features:Food bag/food packaging bag/freezing bag ... freezing bag/boiling bag: Customized structure, size, style, and printed design are welcome Structure: PET/AL/PE with longest shelf ... zipped, heat-sealed, heat-cut, cold-cut, blown, sealed-in the-middle, three-side-sealed, with handle or hanger holeCompetitive ...