Self-sealing bags refer to packaging bags that can be automatically sealed by pressing.
Zipper ziplock bag (also known as compact bag, there are sticker bags, airtight bags, ziplock bags, keel bags, English: Ziplock bags, Reclosable Bag, Zipper Closure Bag, Resealable Bag), with polyethylene (LDPE) and high-voltage wire Polyethylene (LLDPE) is a kind of plastic bag that can be resealed by blowing film molding and hot-cutting machine-made bags. Common materials are PE, EVA, PO, multi-layer composite zipper bags, etc.
