12" x 17", Silicone Baking Mats, Designed To Professional & Commercial Standards, Inches & Centimeters Are On Mats For Easy Placement Of Dough, Stick Surface, Use As A Liner For Cookie Sheets & Use As A Toaster Oven Liner, Can Be Used To Roll Dough, Great For Making Cookies, Candies, Pastry, Good To 900 Degrees, Can Be Cut To Size.