... PE and NY/PE are for transparent bags.StyleStanding zipper bag, three side sealde bag, Quad-sealing bag ... resistance.Clothing Washing PowderBOPP20(28)/LLDPEPET(NY)/LLDPEHand seal packingPollution resistance, good sealability, high pull strength endurance ... including Ice Cream)BOPP/PEPET/PEBOPP/M,CPPAutomatic packingCool storage packingLow temperature resistance, high transarency, transfix resistance, ...