Swiss Diamond XD Technology Swiss Diamond XD cookware is their latest and most advanced diamond-reinforced nonstick coating to date. XD Nonstick coating uses an advanced production process and design for a surface that contains 20% more diamonds inside for superior durability. This process increases the strength by 40% for a tough cooking surface and easy food release. The diamonds inside Swiss Diamond XD surface creates an incredible heat conductor for cooking. Efficient heat conduction allows XD cookware to be ready to sear, fry, and roast using nothing above a low-medium heat. Experience the XD Benefits Thick cast aluminum body for efficient heating and warp prevention Heavy-duty body for uniform heat distribution Ergonomic handle for comfortable handling Little to no oil needed for healthy eating Rivet-free handle prevents bacteria growth Oven safe up to 500 degrees F (260 degrees C) Highly recommended for vegan and vegetarian cooking - American Vegetarian Association About Swiss Diamond Founded in 1974, Swiss Diamond International Sarl is a private company located in the Swiss Alps. Using the demand for more efficient and improved non-stick cookware as inspiration, Swiss Diamond engineered an innovative type of non-stick coating that utilizes real diamond crystals, which is the hardest material known, and they patented the technology. For over ten years, Swiss Diamond has become a world leader in manufacturing ultra-durable nonstick coating for clean-tasting food and easy clean-up. Years of research and testing have led them to create amazing pans, built to cook delicious meals for many years.