Calphalon Triply Stainless-Steel 4-Quart Chef's Casserole with Glass Lid 4-quart casserole for soup on the stovetop or casseroles in the oven 18/10 stainless-steel exterior and interior with brushed finish Hard-anodized alumimum for superior heat conduction and distribution Ergonomically designed stay-cool handles; tempered glass lid; flared rims Oven-safe to 450 degrees F; dishwasher-safe; lifetime warranty