Best Silicone Baking Mat-Liner- Use in Half Bake Sheet - Pans - Rack &ndash; Use for Cookies - Sticky Pastries - Veggies &ndash; Marinated Meats &ndash; Pizza - Non Stick and Dishwasher Safe! Professional Grade - Molds to and Protects Your Bakeware - Waterproof - Protects Counter Tops and Floors Heavy Traffic Areas! Non Stick Surface 11 X 16.5 inches perfect fit for half sized bake pans Replaces oils, fats, tin foil and parchment paper Oven Safe up to 450 degrees Cleans Easily for Lifetime Use - Gauranteed