This is the highest quality Steam Control 17pc Surgical Stainless Steel Waterless Cookware Set. Each piece is constructed of extra heavy 304 surgical stainless steel and guaranteed to last a lifetime. The 9 element construction spreads the heat quickly and evenly. The steam control valve makes waterless cooking easy. You can cook healthier in this Maxam cookware because it eliminates the need for grease or oil in cooking. To use the steam control valve, start cooking on medium heat (never use high heat). Then, when the valve begins to whistle, close the valve and turn the heat down to low and finish cooking. The 9 element construction allows you to stack cook with this cookware set. Begin cooking on individual burners and when the valve whistles, you can stack the pans to finish cooking. The handles are superbly styled and are resistant to heat, cold and detergents. The waterless cookware set consists of: 1.7qt covered saucepan, 2.5qt covered saucepan, 3.2qt covered saucepan, 7.5qt covered roaster, 11 3/8" skillet, double boiler unit with capsule bottom so you can use the double boiler as an extra 3qt pan, 5 egg cups, 5 hole utility rack and high dome cover for skillet or roaster.