Food Safety material: For your safety, all bags are made FREE from BPA, Pathalate, and lead materials, all materials have experienced rigorous quality control.
Insulation: 900D Polyester & 6mm PE foam insulation & the PEVA foam interior. The PE foam insulation is perfect for providing an additional layer of insulation for both hot and cold items. To keep food fresh, the material is leak proof and dirt-proof of the cooler bag makes it easy to clean.