Rachael Ray Casseround Thermal Buddy Insulated Food Carrier SuperFoam insulation combined with ThermaFlect radiant barrier helps to keep food warm. Designed to fit Rachael Ray Casseround Stoneware (not included). Also fits other 8" x 8" baking dishes or 2 1/2-qt bowls for flexible use. UltraSafe lining is easy to clean and leak proof. Folds flat for storage to take up less space in your kitchen.