Aluminum core between 2 stainless steel layers provides even heating for excellent browning and control of the cooking process Nonporous 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 Flat wide bottoms heat evenly and provide plenty of room for cooking The sloped sides are designed for easy tossing and rolling Long brushed stainless steel handles stay cool on the stovetop All cookware is dishwashersafe and carries Calphalons full lifetime warranty