All-Clad LTD2 5.5-Quart Dutch Oven 5.5-Quart Dutch Oven Round bottom to promote easy stirring and domed lid to return flavorful vapors back to the pan LTD2 offers the only hard anodized cookware that is dishwasher safe LTD2 features five-ply technology, including five alternating layers of stainless steel and aluminum, which give the product unsurpassed heat responsiveness LTD2 is safe on all stovetops - except induction and backed by a lifetime warranty