A rectangular baking pan with about 1-inch-deep sides used to make sheet cakes or sponge cakes used for jelly rolls. These pans are usually 15 1/2 ¥ 10 1/2 ¥ 1 inch; however there is a smaller pan measuring 12 ¥ 7 ¥ 3/4 inch and a larger one measuring 17 ¥ 11 ¥ 1 inch.