It is a flexible transportation 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 handling and loading/unloading, efficiency is notably improved, and it has seen rapid development in recent years.

Easily transportable for bulk powdered materials, this packaging material boasts large capacity, light weight, and ease of loading and unloading. It is one of the commonly used packaging materials. Its features include simple structure, low self-weight, foldability, minimal space when empty, and affordable pricing.