Kuhn Rikon Swiss Thermal Cookware is constructed of double-wall 18/10 Stainless Steel with an Aluminum Core. The heat efficient core distributes heat evenly, preventing sticking and burning. The convex, double-walled lid returns moisture to the center of the pan, so your food bastes as it cooks. The unique Stepped Edge feature keeps oxygen out and moisture in, so your food retains its flavor, color, and vitamins. Pan has measure lines on the inside for accurate filling. Chrome handles, edged with silicone, stay cool for safe handling. Swiss Thermal Cookware"s protective clip-on magnetic heat-retaining serving base made from melamine lets you set hot pans on any surface. Food stays piping hot at the table. Cook and serve hearty fare such as stew, chili, mash potatoes, and soups in this double-walled pan.