Our insulated food delivery bags are made of 1680D PVC and feature polyweb handles for lifting heavy loads and a removable rigid bottom insert for added shape and support. Which can be used to keep foods frozen, warm, hot, or cold. This large waterproof catering supply bag is designed to fold and store easily. Each bag can be stored in an out-of-the-way location, such as under your car seat, trunk, or kitchen drawer.