Creo SmartGlass Cookware, 2-quart Casserole Dish with Lid Cover, Gray SmartGlass means a unique combination of tempered borosilicate glass interior and ceramic exterior Heat resistant to 450F/232C and highly resistant to thermal shock Nonreactive materials ensure consistent cooking, unlike most metal bakeware 2.11 qt. Casserole Dish is oven, microwave, freezer, and dishwasher safe Lid locks in moisture and keeps food fresh longer