Durable enough for everyday use, this set of innovative skillets from Viking offers nonstick performance without any nonstick chemical coating. Both skillets are made from Vikings innovative PerformanceTi cookware that is comprised of four layers; an induction-compatible stainless steel outer layer, an aluminum core to distribute heat quickly and evenly, a lightweight titanium layer and an ultra-hard titanium cooking surface layer that is resistant to scratches and safe to use with metal