Heat seal bags and zipper bags are essential packaging solutions, each offering distinct performance benefits and applications. Heat seal bags are designed to be sealed using heat, creating an airtight and watertight enclosure that ensures the longevity and freshness of contents, making them ideal for packaging food products, pharmaceuticals, and other perishables. On the other hand, zipper bags feature a resealable zipper mechanism that provides convenience and reusability, perfect for household items, snacks, and organizing small components. Both types of bags offer excellent protection against moisture, dust, and contaminants; heat seal bags for single-use applications where tamper evidence is crucial, and zipper bags for everyday uses where access and functionality are key. we can supply all kinds of heat seal bags and zipper bags (pof heat seal bag, pe heat seal bag, PE zipplock bag, PET/PE zipper bag, PP/PE bag)