Calphalon Contemporary Stainless Steel Cookware/Multi-Pot, 8 quart A heavy-gauge aluminum core is sandwiched between two layers of stainless steel by means of high-heat, high-pressure impact bonding for extreme durability. Aluminum core provides superior conductivity and even heating for excellent browning and control of the cooking process. Non-porous stainless steel cooking surface is safe for use with all utensils. 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 Includes 8-quart stock pot, pasta insert, steamer insert, lid. Contemporary Stainless epitomizes the soul of modern style with professional performance and dishwasher-safe convenience