Line your cookie sheet or baking pan with the Reversible Silicone Baking Mat mat so food won’t stick. The circles help you evenly space 1-, 2-, and 3-tbsp cookies. Details 14¾" x 11¾". Oven safe to 500°F. Circle sizes match our Small, Medium, and Large Scoops. Nonstick top and bottom silicone layers cover an interior fine-weave webbing that provides even heat distribution. Store it flat or rolled. Dishwasher-safe.