Ceramic Marble Coated Cast Aluminium 6 qt. Stockpot Non Stick Cookware (26 cm diameter) Ceramic Marble Coated Stockpot, 6 qt. (26 cm/ 10" 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