This 7 quart hard anodized nonstick Dutch sauce pan by Calphalon features a tempered glass lid and is oven safe up to 400 degrees. The exterior surface is made of durable hard anodized aluminum, while the cooking surface is non-stick for easy cleaning. With a 15.5-inch diameter and a smooth surface compatible with gas and electric coil cooktops, this sauce pan is a versatile and high-quality addition to any kitchen. Weighing 4.8 pounds, it comes with a 10-year limited warranty for added peace of mind.