See the technology behind the Circulon Circles. Aluminum Disc Perfect Even Heating Stainless Steel Encapsulated Base Suitable for Gas/Electric/Glass Bonded for Strength & Durability Cast Stainless Steel Handle Cool to the Touch Riveted for Strength Helper Handle, supports Lifting & Handling Hard Anodized Exceptionally Strong Durable Nonstick Inside & Out Diswasher Safe TOTAL® Food Release System Metal Utensil Safe Stainless Steel Lid Locks in Nutrients & Flavor Ample Hand Room on Handle Discover more about this advanced cookware at www.circuloncircles.com Ask for the Pan with the Circles