The Stainless Steel Cook n Serve Casseroles are distinguished by comfortable plastic handles which are permanently riveted to the pans. The handles are carefully designed to provide greater comfort and safety. The body is made of AISI 304 18/8 superior food grade stainless steel for healthy and hygienic cooking. The 6.6 mm extra-thick sandwich bottom stays flat heats evenly and will not develop hotspots. The AISI 430 grade magnetic stainless steel base plate that makes the pan work well on both Gas and Induction. Hawkins Stainless Steel Cookware also comes with a toughened Glass Lid made of 4 mm thick heat-resistant glass with a strong stainless steel rim and stay-cool knob.