Premium Quality Cast Aluminium with 4 layers of Non-Stick Marble Coating making this truly the first and the very best really non-stick pan ever.;Marble coating both inside and outside makes cleaning this pan the easiest ever.;Marble coating is 10x stronger than teflon and last much, much longer;Made in Korea, NOT CHINA. Korea is very advanced in its nonotechnology which is essential in the manufacturing process of this marble-coated pan.;26 cm (10 inches) diameter