These bags are made with 100% RPET fabric (RECYCLED PET FABRIC)RPET fabric [RECYCLED PET FABRIC] also known as cola bottle environmental protection fabric. It is a new type of green and environmentally friendly recycled fabric, it is made from plastic bottles. Using recycled "Coke bottles", Textiles made from recycled recycled fibers, 100% of which can be recycled PET fibers.