Stainless steel and pure aluminum encapsulated in the base for fast and even heating and measurement markings for ease of use. Induction ready. Stainless steel cooking surface does not discolor, react with food or alter flavors. Includes: 1 -1/2 Qt. saucepan with cover, 3 Qt. saucepan with cover, 8 Qt. stockpot with cover and 10 In. skillet. Mirror finish.