Calphalon Cookware Accessories, Universal Steamer Insert This versatile steamer insert has 3 graduated ridges on the bottom that allow it to be used with a wide range of Calphalon cookware, so you use it with cookware you already own. 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 tempered glass lid with stainless-steel handle and rim fits snugly inside, allowing you to keep an eye on food without losing steam or flavor. The stainless steel construction is dishwasher-safe;Utensils: Nylon, Coated, Wood or Metal This product carries a limited lifetime warranty.