The full name of the container bag is flexible container bag, also known as large bag or ton packaging bag. It is a soft and flexible packaging container made of foldable adhesive tape, resin processing cloth, and other soft materials for large volume transportation bags. It is generally made from polypropylene or polyethylene as the main raw material, extruded into a film, cut, drawn, and then woven, cut, and sewn. Adopting this type of packaging is not only beneficial for improving loading and unloading efficiency, but also particularly suitable for packaging bulk powder and granular goods. It promotes the standardization and serialization of bulk cargo packaging, reduces transportation costs, and has the advantages of easy packaging, storage, and low cost. Specially suitable for mechanized operations, it is an ideal choice for warehousing, packaging, and transportation. It can be widely used for packaging bulk materials such as cement, fertilizers, salt, sugar, chemical raw materials, and ores for road, railway, and sea transportation.