The two-ply Viking stainless steel cookware set evenly distribute heat for rim-to-rim cooking. The exterior layer of highly efficient aluminum for quick and even heating, minimizes hot spots, and gives you a consistent sear. The Interior cooking surface is non-reactive and will not affect the flavor of your food and cleaning a breeze. Embedded induction plate at the bottom of each pan increases versatility of cookware so you can use on gas, electric, ceramic and induction cooktop.