Calphalon Contemporary Hard-Anodized Aluminum Nonstick Cookware, Saucepan with Steamer Insert, 4 1/2-quart, Black Heavy-gauge aluminum construction ensures even heating and is hard-anodized for durability. It also makes it dishwasher-safe. Interior includes three layers of nonstick coating - two layers provide durability and the third layer offers easy release performance. The long, brushed stainless steel handles are designed to stay cool on the stovetop. Pans and covers are also oven safe, making it ideal for finishing a gourmet dish. Saucepan with steamer insert is great for steaming vegetables, dim sum, shellfish, and fish, making couscous, cooking tamales and other small packets of food, and even reheating leftover rice. The nonstick surface means you can cook healthier using less fat, with effortless cleanup. Comes with Calphalon's full lifetime warranty.