The Catering cookware is part of the Sitram classic commercial 18/10 stainless steel cookware series. Its features include heavy gauge stainless steel construction with a 2-2.5mm copper sandwich between stainless steel for uniform and responsive heat conduction. Uniquely designed stainless steel handles with a heat sink, are welded to the pan instead of riveted to provide ease in cleaning. Ideal for any heat surface including gas, electric. Oven proof and dishwasher safe. Lifetime warranty NSF approved. Made in France.