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, the efficiency of loading and unloading has significantly improved, and it has seen rapid development in recent years.

Easily transportable for bulk powdered materials, featuring large capacity, light weight, and ease of handling, it is one of the common packaging materials. It boasts simple structure, low self-weight, foldability, minimal space when empty, and affordable pricing.