The best just got even better with Blue Diamond's most innovative collection yet. The triple layer craftsmanship features an aluminum core surrounded by two layers of stainless steel that go up the walls of each pan to eliminate cold spots and deliver responsive performance. Each of these pans also feature Blue Diamond's revolutionary midnight diamond non-stick for worry-free cooking. Blue Diamond triple steel is oven and broiler safe up to 600 degree Fahrenheit lids up to 425 degree Fahrenheit and the induction ready design makes each pan suitable for all stovetops, including induction. Plus, the stackable stainless steel handles offer a sturdy grip and make storing simple. Dishwasher safe for easy cleanup.