Heavygauge aluminum core distributes heat evenly for exceptional browning searing and sauting Fullyclad 3layer metal construction delivers performance and durability for years to come Long handles stay cool on the stovetop Tempered glass lid Ovensafe up to 450 degrees F so you can easily go from the stovetop to the oven This product contains Aluminum Stainless Steel Iron Chromium Nickel Manganese Copper Phosphorus