Ecoolbuy Portable Insulated Thermal Cooler Bento Keep Warm heat preservation, Lunch Box Tote Picnic Storage Convenient Bag Case (Hot Pink) Made of oxford cloth and tinfoil,durable,waterproof and insulated A layer of thermal insulation material inside of the bag The lunch bag have heat preservation,cold and fresh function It can be used as lunch bag,picnic bag,sundry bag or shopping bag Package included:1 Pcs Insulated Lunch Bag