With a revolutionary space-saving design, this Granitestone Diamond StackMaster cookware allows you to easily organize your cabinets and kitchen by stacking and nesting the entire cookware set together. Durable coating withstands metal spatulas, spoons, whisks, and more, while the aluminum exterior is dense, nonporous, and highly wear-resistant for long-lasting performance. Three interchangeable tempered glass lids can be used across all the saucepans, stock pots, fry pans, and skillets. Solid stainless steel cool-touch handles stay cool on the stovetop and provide a safe and solid grip. Oven safe up to 550°F and compatible with all cooktops, including gas, electric, and induction.