Calphalon Unison Nonstick, Glass Lid, 10-inch Unison cookware is built with 2 different nonstick surfaces for different cooking tasks, so you can use healthy, easy-to-clean nonstick to cook with professional precision. Ultra-smooth Slide pans release foods effortlessly for tender omelettes and delicate sauces. Specially-textured Sear pans seal in flavor and provide perfect browning of meats, fish, and vegetables. Clear tempered-glass lids let you see food while it's cooking and are oven safe, so you can finish covered dishes in the oven or keep them warm until ready to serve Replacement lids for Calphalon Unison cookware. Long, quadruple-riveted stainless steel handles stay cool on the stovetop. All cookware is dishwasher-safe and carries Calphalon's full lifetime warranty.