In indestructible stainless steel. Moreover, you can use the same lid on any Demeyere pot with the same diameter. The large stainless steel handle fits perfectly in the hand and stays cooler on gas longer than the average lid. The handle is firmly welded: a hygienic solution because grease, dirt, and bacteria cannot accumulate. This smart and robust design in American industrial style, by the Belgian designer Stefan Schöning, will continue to give you satisfaction.