Ceramic Marble Coated Cast Aluminium Non Stick Wok 32 Cm Premium Quality Cast Aluminium with 3 layers of Non-Stick Coating plus 1 layer of Marble Coating makes this wok totally non-stick 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 Can be used with gas or electric cookers Eco Friendly and Healthier way to cook, absolutely no oil needed to fry/grill your favorite food.