Copper-Core collection is composed of five layers of securely bonded metals that run through the bottom and the way up the sides: a stainless steel cooking surface, a thick core of copper sandwiched between tow layers of aluminum, and a stainless steel exterior. The copper at the center of each piece guarantees maximum and even heat conductivity, while the stick resistant 18/10 stainless steel cooking surface is a joy to use. Cookware for true connoisseurs, Copper-Core has a superb "cut-away design that makes a striking display in any kitchen. Unique bonded 5-ply construction combines the culinary performance of copper with the cleaning ease of stainless steel Copper center for maximum and even heat conductivity Stainless steel surface will not react with food and is stick resistant Long, stay cool handles are secured with sturdy, non-corrosive rivets Polished stainless steel bids that fit even with the pan's edges to seal in the flavor of your goods Dimensions: 8-in diameter x 1-7/8-in deep Lifetime warranty Made in the USA