Non-woven fabric is a kind of non-woven fabric, which directly uses high polymer chips, short fibers or filaments to pass the fibers through airflow or mechanical netting, and then through hydroentanglement, needle punching, or hot rolling reinforcement, and finally finishing. Formed non-woven fabric. The advantage is that it does not produce lint, is strong, durable, silky soft, and has a cotton feel. Compared with cotton, the non-woven bag is easy to form and cheap.