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

Ideal for transporting large quantities of loose, powdered materials, this packaging material boasts a large volume, light weight, and ease of loading and unloading. It is a common choice among packaging materials. Its features include a simple structure, low self-weight, foldability, minimal space when empty, and affordability.