Pioneering Granitestone cookware features a mineral-infused granite coating that is the perfect blend of nonstick durability & ease of use The Granitestone cookware is pressed from a single sheet of aluminum and layered 3 times with our proprietary coating for the ultimate nonstick experience which requires no oil making healthy cooking easy! The extra thick coating is super durable and is scratch resistant and metal utensil safe. Cleanup is a breeze too and the pans will look new even after years of use