Lekue Silicone Mirage 9-Inch Square Brownie Pan FDA approved food grade silicone, oven safe up to 500F, microwave, freezer and dishwasher safe Do not use sharp tools on Lekue Bakes evenly, won't burn edges, foods stop cooking when removed from oven to avoid over-baking, baked goods slide out when cool Lekue is the silicone bakeware choice of some of the world's top bakers - Inch Silicone is the now of baking. Inch - Rose Levy Beranbaum, Author of The Cake Bible, the #1 selling baking book of all time