Professional quality ICON® Cookware is built for high-temperature searing, frying, sautéing and baking. Its patented metallurgical process creates a cooking surface that is inert and 9 times harder than steel. ICON is 98% iron core Its patented metallurgical process makes its surface harder than steel Surface is all-natural, safe and free from any harmful chemicals It will not rust, peel or flake off Stay-cool cast stainless steel handle is attached with special alloy stainless rivets that get harder and tighter with each heat cycle Cast stainless steel handles will not get hot on induction cooktops More durable than cast iron, yet weighs 30 percent less than cast iron Superior heat retention and even heat distribution 5-year commercial warranty, 25-year consumer warranty Assembled in the USA from imported components