Don’t let the square shape of this pan fool you. This swiss diamond xd 8 inch x 8 inch (20cm x 20cm), 2.1 qt (2l) nonstick sauté pan with lid has an accurately trimmed bottom and is rounded to fit the standard stove eye, ensuring uniform heat distribution. the swiss diamond xd nonstick coating contains 20% more diamonds and 40% more durability than our hd line, creating a more resilient cooking surface with enhanced food-release properties. Nothing conducts heat more efficiently than diamonds and maximum heat transferability to eliminate hot spots. There's never a need to cook above medium heat. swiss diamond nonstick pans are designed for use without oils or butter for a healthier lifestyle. The surface is rivet-free to avoid bacteria buildup. The thick, cast aluminum base is perfectly flat for no tipping, spinning or warping. the heat-tempered glass lid contains an adjustable steam vent for advanced moisture control. Clean-up is easy with warm water and a soapy sponge. this square sauté pan with lid is just what any cooking enthusiast needs to complete their kitchen experience. Oven-safe up to 500°f/260°c. Dishwasher-safe, but hand washing is recommended. Made in switzerland. 4.4 lbs.