This is a great time and effort saving product. This cooker liner can be cut to any size and shape and then re-used. Use it to line baking trays, roasting pans or anything where a non-stick base is needed or where fat free cooking is required. Guaranteed non-stick and heat resistant to 260 degrees. It is very easy to clean and saves on scrubbing of roasting and baking trays. Please don not use on the base of your oven or on the hot plate. PFOA Free.