Bag Closing Threads are widely used in the agricultural field and industrial packing for sewing and closing open-mouth bags, such as sugar bags, PP woven sacks, multi-wall paper bags, sand bags, mesh bags, etc. They are suitable for closing most heavy-duty multi-wall paper bags, Raschel bags, and woven polypropylene (BOPP) bags filled with goods like seeds, large animal feed, charcoal, rice, cement, fruit, and other materials.