It is a flexible transport packaging container. It boasts advantages such as moisture-proof, dust-proof, radiation-resistant, and sturdy safety, with sufficient structural strength. Due to the ease of loading and unloading, as well as handling, the efficiency of loading and unloading has significantly improved, and its development has been rapid in recent years.

Ideal for shipping large quantities of loose powdery materials, this packaging material boasts a large volume, light weight, and ease of handling. It is one of the commonly used packaging materials. Its features include a simple structure, low self-weight, foldability, minimal space when empty, and affordability.