Large opening ton bag is a kind of ton bag, also known as flexible free bags, container bags, space bags, etc. it is a medium-sized bulk container and a kind of container unit appliances. With a crane or forklift, it can realize container unit transportation.

It is easy to transport bulk powdery materials. It has the characteristics of large volume, light weight and easy loading and unloading. It is one of the common packaging materials. It is characterized by simple structure, light weight, foldable, small space occupied by empty space and low price.