The Cool Kitchen Cookware is manufactured with a tri-ply aluminum core that extends to the rim offering superior performance. The whole clad structure eliminates hot spots and ensures even heating across the bottoms of pots and pans and all the way up the sides. The exclusive Whole Clad bonding technology extend cookware lifetime dramatically comparing to encapsulated base construction. This professional cookware is suitable for induction, gas, electric, and halogen cooktops.The specially designed stay-cool handles are oven safe and do not absorb heat when cooking on the stove.It is made from the highest quality heavy-gauge 18/10 stainless steel. The stainless steel cookware is oven-safe to 550 degrees F; Freezer-safe for food storage; Dishwasher safe although hand washing is suggested