Ziplock bag types
Ziplock bag means that you can not use any tool to automatically seal the bags, common with zipper zipper bag, stickers Ziplock bags.
Zipper zipper bag (also known as compact bags, bags, bags, zipper bags, bags of bone, English: Ziplock bags,Reclosable Bag, Zipper Closure Bag,Resealable Bag) to polyethylene (LDPE) and high tension line polyethylene (LLDPE) through blowing molding, eager mechanism, can repeat the seal made of plastic bags. Common materials include PE,EVA,PET, compound bag
More self-adhesive zipper bag type, with one film cutting back, side heat seal, and then attach a plastic outlet in one side of the bag inside, common materials: OPP stickers, Courier Bags (multi-layer membrane), PP,PVC