6x9 One-piece American Disposable Lunch Box Plastic

1. PP material has a pure and non-toxic texture, does not contain harmful substances, and will not cause pollution to the environment
2. The transparency of polypropylene products is better than that of high-density polyethylene products
3. PP material, chemical name polypropylene, is currently the lightest among all plastics, and PP material is often used to make fresh-keeping boxes