The main material of cloth bag is high density Oxford cloth. It is an environmentally friendly fabric with high density, strong cold retention, light weight, non-hard and non-toxic texture. It is called special material for environment. The product can be designed and manufactured according to customer's needs to fully meet customer's requirements and close the cover with rubber zipper. The product is used in conjunction with ice bags, and the cooling effect exceeds the same industry standard in the United States.