French cooks know the secret! Make any baking sheet nonstick using this re-useable Silpat baking liner. Silpat non-stick baking sheets are designed for all types of ovens. From bread to Pastry making, Silpat can provide even heat transfer to baked goods. Silpat is effective in temperatures from -40 to 480 degrees Fahrenheit, so you can bake directly out of the freezer! Silpat conforms to FDA regultions and is certified by NSF and KOSHER. Made in France. Now available in five sizes!