Fat Daddio"s pastry relief mats are manufactured from FDA food-grade silicone. Our non-stick mats produce a sponge cake with a beautiful relief pattern. The non-stick material allows for very easy depanning and are suitable for baking and freezing. These extremely versatile mats can also be used to prepare gum paste, toffee"s, nougat, fruit jelly, boiled sugar, and chocolate. All mats and rolls come instructions for use.