King Arthur Baking Company Cookie Baking Mat

King Arthur Baking Company Silicone Cookie Mat spaces, places, and bakes cookies without their edges touching and resulting in misshaped cookie Silicone, natural glass fibers with sealed edges strong, durable, heat safe to 500-degrees Fahrenheit measures 16.5 x 11.5-inches x 0.4-millimeters Non-stick surface releases baked goods without them tearing or crumbling permanent size markings won't wear off or fade away Space dough scoops with the polka dot marks for teaspoon, tablespoon, or 3-tablespoon use border marks for strips or sheets (up to 11 x 16-inches) Fits U.S. half-sheet (13 x 18-inch) baking pan perfectly lays flat or rolls for storage do not cut on the mat with metal blades dishwasher safe