1. Plastic bag: a bag made of polyethylene, polypropylene, polyester, polyvinylidene chloride and other resins, which can be used to package food, clothing, daily necessities, cosmetics, health care products, electronic products and other items.
2. Composite bag: a bag consisting of two or more layers of plastic films, which can be used to package different kinds of articles, and has excellent characteristics such as moisture-proof, rust-proof, antifouling, heat-resistant, cold-resistant, impact-resistant, non-toxic and tasteless.
3. Paper bag: a bag made of paper, which can be used to pack paper, stationery, books, magazines, documents, newspapers and other items.
4. Non-woven bag: a bag made of non-woven fabrics made of synthetic fibers, natural fibers and other materials, which can be used to package different kinds of articles, and has the characteristics of portability, durability, waterproof, moisture-proof, cold resistance and high temperature resistance.
5. Metal bags: bags made of metal materials can be used to package food, medicines, medical devices and other items, and have good anti-corrosion, antibacterial and dustproof characteristics.
6. Silicone bags: bags made of silicone materials can be used to package food, medicines, cosmetics and other items, with good sealing, moisture resistance, oil resistance and high temperature resistance.
The materials and application fields of the above packaging bags are different, and they can be selected as needed.