Sandwiched between two layers of heavy-duty stainless steel, three layers of conductive aluminum distribute heat evenly from edge to edge of this cookware set. The five-ply construction ensures everything cooks thoroughly and brown evenly, while measurement markings on the interiors of the stock pot and saucepans make it easy to add ingredients. Finished with striking black stainless steel handles and glass lids, the durable stainless steel cookware stands up to daily use and the brushed base hides wear and tear.KitchenAid has been creating high-quality kitchenware for over a century.Set includes: 1.5-qt. lidded saucepan, 3-qt. lidded saucepan, 8-qt. lidded stockpot, 5-qt. lidded saute pan with helper handle, 8.25" frying pan and 10" frying pan. Stainless steel and aluminum. 5-ply construction: 3 layers of aluminum sandwiched between stainless steel. Dual-riveted black stainless steel handles. Glass lids. Measurement markings on interiors of stock pot and saucepans. Brushed bases hides wear and tear. Sealed rims prevent corrosion. Suitable for use with electric, glass, ceramic, gas and induction cooktops. Pan oven-safe to 500°F. Dishwasher-safe. Made in Thailand.