Ziplock bag is automatically sealed without the use of any tool bags, commonly used with zipper ziplock bag and stickers ziplock both. Zipper ziplock bag, also known as dense bag, zipper bag, seal the bag, ancient, primarily from polyethylene and polyethylene by high-voltage blown film forming, eagerly made of a can resealable plastic bags, common Materials are complex bag, pe, eva, pet and so on. Self-adhesive plastic bag type more, mainly monolithic membrane cross-folded, heat-sealed on both sides, the inner side of the bag and then affix the plastic mouth, common materials are pp, pvc, opp stickers , courier bags. Ziplock is mainly used for internal and external packaging a variety of small items, you can store a variety of small food, seafood, tea, etc., can also be used for clothing and daily necessities packaging, it can also be used in the electronics industry. Ziplock advantage is that you can proof, waterproof, pest control, etc. to prevent spilling.