Don't let the square shape of this Sauté Pan fool you， this 2.1 Qt. Sauté Pan has an accurately trimmed bottom that is rounded to fit the standard stove eye， ensuring uniform heat distribution. Reinforced with the new and more advanced Swiss Diamond XD nonstick coating， this pan is in a league all its own. Developed exclusively by our lab in Switzerland， the Swiss Diamond XD nonstick coating contains 20% more diamonds - creating a significantly tougher cooking surface with enhanced food-release properties.The formula， applied using a new proprietary technology， is ; providing a safe and non-toxic cooking base for your favorite meals. Steam fresh vegetables using the heat-tempered glass lid which features an adjustable steam vent that allows steam to be released or contained with the simple turn of the knob. The rivet cooking surface ensures maximum protection against bacteria while the extra thick， cast aluminum body has a perfectly flat base that won't spin or warp while cooking.Additionally， nothing conducts heat better than diamonds. Quickly and efficiently， the diamond-reinforced nonstick coating works while you cook to maximize heat transfer and eliminating hot spots. Because the coating transfers heat to well， you never even need to use more than low to medium heat， reducing your energy consumption. Looking to create a lighter and healthier lifestyle? Swiss Diamond is designed for a healthy convenience， allowing you to cook without the use of oils or butters. Ideal for years of healthy eating， this Square Sauté Pan with Lid is just what any cooking enthusiast needs to complete their kitchen experience. Made in Switzerland.