Ton bag suitable for the product package of 500kg to 1500kg, made of PP, PE, used as substrate after membrane, adding UV proof additives to prevent insolation. The advantages are lightweight, moisture proof, dust proof, leak proof, radiation resistant, acid corrosion resistant, tight, and safe. It can load all types of powder such as chemical industry, cement, grain, mineral products, etc. It can be operated by robots, which is an ideal product to save the costs of package, transportation, and storage.