A full layer of copper sandwiched between two layers of aluminum is protected by an induction suitable stainless steel encapsulated base,this unique combination offers unmatched heat distribution and controlled cooking performanceStainless steel construction in a graceful tulip silhouette is preferred by professional chefs for its durability and performance,highly polished exteriors contrast with brush finished interiors which help hide scratches from metal utensilsRefined cast stainless steel pan handles are double riveted to the pan for durability,deep seated stainless steel dome lid fist securely and the lid handle has extra clearance for easier liftingSuitable for use on all stovetops including glass and induction,Broiler and dishwasher safe for convenienceLifetime limited warranty