Penguin Mold Silicone Mold Cake Tools Cookie Cutter Ice Molds Cake Mould Bakeware Tools Material:100% consumption level of silicone gel; Conforms to the American FDA quality,innoxious,no peculiar smell,soft,waterproof,easy to demould,fadeless and easy to clean,durable for long time use Temperature range:Freeze - 40 degrees centigrade below zero,Heat - 230 degrees centigrade Perfect for making cakes,pizza,bread,mousse,jelly,chocolate,pudding and fruit piesSuitable for microwave oven,toaster and refrigerator