Non stick spill guard surface protects your oven from food and drips. Simply place the liner on the bottom of your oven or toaster before use. Great for all your baking needs from dinners to desserts and more! Heat Resistant up to 500 Fahrenheit, Reusable and durable tear resistant, Dishwasher safe, Size 17.5 by 13-Inch Heat Resistant up to 500 fahrenheit, Non Stick Reusable and durable tear resistant, Dishwasher safe Dishwasher safe