Copper Advantage Copper Base 9 Piece Set Stainless Steel With Copper Riveted, soft to the touch handle, protects hands with silicone sleeve; secure, comfortable to lift and hold. Thick Copper Base, full coverage copper bottom, even heating, cooling & Control. Stainless Steel Contruction, brush stainless body, designed for heavy use, non-reactive and easy to clean. Heats and cool evenly, prevents tarnishing with stainless cap.