Range Kleen 7 Piece Stainless Steel Set Premium Quality Stainless Steel construction offers durability as well as fast, easy clean up. Oven proof up to 350 degrees. Dishwasher safe. Encaplulated bottom distributes heat evenly for maximum cooking results. Range Kleen cookware is compatible with most range types, electric, halogen, gas, ceramic/glass - smooth top and solid plate. Heavy gauge Steel with cool touch phenolic handles riveted for maximum durability and ergonomically designed for comfortable handling. Stainless steel lids high quality lids with phenolic handles ergonomically designed with tight fitting to seal in flavors and nutrients. Limited lifetime household warranty