Full Biodegradable Courier Bag : After the product is used, buried underground for 180 days, it can be fully biodegraded. Zero burden on the environment. With biodegradable materials, it can be completely biodegraded into water and carbon dioxide after being buried underground for 180 days. Its composted soil is rich in nutrients. Zero health concerns. This product is fragrant and does not contain harmful components to the human body or the environment. Super tensile force. Whether the bag is stretched longitudinally or transversely, it is strong, stretching and loading capacity is 2 times that of traditional new bags. The feel is thick. This product uses bio-based raw materials to reduce dependence on petroleum resources, feel thick, durable.