Lekue Silicone Deep Fluted Pan, Blue FDA approved food grade silicone, oven safe up to 500F, microwave, freezer and dishwasher safe When using, place Lekue molds on a flat cookie sheet in the oven, 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 - "Silicone is the now of baking." - Rose Levy Beranbaum, Author of The Cake Bible, the #1 selling baking book of all time 9 inches diameter, 4 inches deep