Calphalon Tri-Ply Stainless Steel Cookware, Pasta Strainer Insert, 6-quart Aluminum core between 2 stainless steel layers provides even heating for excellent browning and control of the cooking process. Non-porous stainless steel cooking surface is safe for use with all utensils. Elegant brushed stainless steel exterior can go from the oven or stove directly to the table. Reflective cook surface makes it easy to monitor foods as they cook and remains beautiful over time. Clear tempered-glass lids let you see food while it's cooking and are oven safe, so you can finish covered dishes in the oven or keep them warm until ready to serve Use the inside a stock pot when cooking pasta or potatoes  just lift it up to drain water instead of having to use a separate colander. Long, brushed stainless steel handles stay cool on the stovetop. All cookware is dishwasher-safe and carries Calphalon's full lifetime warranty. Fits Calphalon tri-ply stainless steel 6-quart stock-pot Perfect for pasta, shellfish and corn on the cob Dishwasher safe