CONCORD 12 PC 5-Layered Bottom 18/10 Stainless Steel Cookware Set Pot Pan Saute Heavy gauge 18/10 Stainless Steel material. Exceptional durability and sophisticated European design. Thick Stainless Steel encapsulated aluminum base provides quick and even heating with no hot spots. Tempered glass lids provide complete visibility throughout cooking process. Thermal Bottom: 5-Layered bottom with heat conduction. Oven and Dishwasher safe. Only fry pan is non stick coated.