The surface of the futura hard-anodized cook and serv handi is non-toxic, staining and non-reactive with foods. It is thermally-efficient, fast and uniformly heated and is not spoiled by high heat. It is hard and durable, will not be potholed, tarnished or spoiled and will look new for years. Metal ladle can be used. This cookware can be used on all domestic gas, electric, ceramic and halogen cooktops. Cook-en-served handi's unique curved body is best suited for stir-frying, souring and foods that require considerable stirring, and also light work of difficult dishes The rigid, thick glass lid is made of heat-resistant glass with a strong stainless steel rim and staying cool knob. This prevents the spraying of hot foods. The snug-fit glass lid locks in steam, heat and flavor.