This Chicago Metallic rectangular cake pan can be used to makes brownies warm dips or to create single double or even triple layer cakes for all types of celebrations! Made from heavy gauge 1 0mm aluminum this jelly roll pan ensures superior heat conductivity and promotes even baking It is suitable for uses with all oven types includes gas and electric Featuring a unique textured bottom this baking sheet minimizes surface contact and increases airflow for an even bake and smooth release This cookie sheet also feature a reinforced encapsulated wire rod rim that prevents any warping or bending during the cooking process Easy clean up hand wash only This pan measures 9 5 x 13 6x 2 25 inches inner dimensions are 9 X 13 X 2 2 inches hand wash and towel dry to prolong life of product.