Constructed from All-Clad's revolutionary three-ply bonded design, this anniversary-edition casserole features a thick aluminum core for even, efficient heat distribution, sandwiched between durable layers of stainless steel. This versatile cookware lasts a lifetime for delicious casseroles and savory roasts. It's highly polished inside and out for a sleek appearance and superior food release. Large looped stay-cool handles offer an ergonomic grip and are securely riveted to the dish. The included tight-fitting lid seals moisture and flavors into food.