The 9" Ultimate Square pan is a highly versatile pan for brownies, cakes, bar cookies, crisps and crumblers too. The pan will fit in many toaster ovens as well as conventional ovens. The pan has two ceramic non-stick coatings that make it durable and easy to clean. The non-stick coating is Cadmium Free, Lead Free, PFOS Free, PFOA Free and PTFE Free. The pan is heavier weight. (0.8mm). We do not recommend the pan be put in the dishwasher. Rinse with hot, soapy water, rinse and then dry with a soft cloth. This method will enhance the life of the product. The interior baking dimensions are 9" x 2". The exterior dimensions are 9.5" x 9.5" x 2". The pan is made from carbon steel.