Swiss Diamond's new and advanced XD coating now features 20 percent more diamond crystals on each pan. Coated on both the interior and exterior, each pan now features a rivet-free surface and increased nonstick properties, making cleanup a breeze. This 10-piece XD cookware set provides you with the essentials you need to live a healthier lifestyle. Ergonomic stay-cool handles are a staple on all Swiss Diamond cookware, and are oven-safe to 500 degrees F. Swiss Diamond pans are made of cast aluminum, therefore they cook food evenly without hotspots and resist warping.