Creo SmartGlass Cookware, 9-inch Pie Pan, Bali Green 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 9" Pie Pan is oven, microwave, freezer, and dishwasher safe Plain-edged to prevent burnt crusts; interior rivets allow for easy press-in crust fluting