Graniteware has a porcelain enamel surface over a steel core body. The steel core is an excellent heat conductor and gives an even heat distribution for faster cooking times. The glass-like enamel surface does not interact with foods and cleans up easily with warm soapy water. Holds a 22 lb. bird or 25 lb. roast. 21-1/4" W. x 14-1/8" H. x 8-1/2" D. Black.