Tri Ply Clad: 4 quart saute pan is made of 18/10 stainless steel, aluminum and a metal outer layer, which ensures good thermal conductivity and even heat distribution, helping food heat up quickly and evenly See Through Lid: Deep sauté pan with tempered glass lid with steam vent to view food and keep heat/moisture in Multi Purpose Design: The deep frying pan suitable for various cooking methods, such as stir-frying, stewing, and deep-frying Widely Use: Stainless steel saute pan works on most stove tops, including induction, gas, electric, glass, ceramic, halogen, and more; Dishwasher Safe, oven safe up to 500°F Keep Cool Handles: Ergonomics handles stay cool during use, stainless steel are riveted for strength