Lekue Silicone 3-by-2-2/5-Inch Individual Pop Over Pans, Set of 6 Lekue is the silicone bakeware choice of some of the world's top bakers in Silicone is the now of baking. Rose Levy Beranbaum, Author of The Cake Bible, the no.1 selling baking book of all time FDA approved food grade silicone, oven safe to 500 fahreheit Bakes evenly, won't burn edges, foods stop cooking when removed from oven to avoid over-baking, baked goods slide out when cool Microwave, freezer and dishwasher safe 6 Individual popover cups-each cup measures 3-inch diameter, 2-1/4-inch deep