Tons of bags, also known as flexible freight bags, container bags, space bags, etc., is a medium-sized bulk container, a type of container unit, equipped with a crane or forklift, can realize the container unit Transportation.

It is easy to ship bulk powder materials, has the characteristics of large volume, light weight, easy loading and unloading, etc. It is a common packaging material. The utility model has the advantages of simple structure, light weight, foldable space, small space and low price.