International standard pattern tons of bags tons of bags (also known as Container / Space bag / 1 flexible container / ton bag / ton bag / Space Bag / PIP bag): it is a flexible transport containers. With moisture, dust, radiation-resistant, strong safety advantages, and have sufficient strength in the structure. Since the FIBC handling, transportation is very convenient, significantly improved handling efficiency, has developed rapidly in recent years. Container usually used polypropylene, polyethylene and other textiles made of polyester fiber. It can be widely used in chemical, building materials, plastics, minerals and other types of powder, granular, massive items of packaging, and ideal for the storage, transportation and other industries.