Ceramic Marble Coated Cast Aluminium 8 qt. Stockpot Non Stick Cookware (28 cm diameter) Ceramic Marble Coated Stockpot, 8 qt. (28 cm/ 11" diameter) Premium Quality Cast Aluminium with 4 layers of Non-Stick Marble Coating Marble Coating both inside and outside, 10x stronger than teflon coating Tempered Glass Lid Made in Korea ...the leader in termolon non stick ceramic materials