The cooking grids you mentioned are designed for use with the Napoleon Prestige PRO™ 500 Gas Grills. Here are some key details about these grids: 1. Material: These cooking grids are made of stainless steel, which is known for its durability and resistance to rust and corrosion. Stainless steel grids are an excellent choice for grilling as they are easy to clean and maintain. 2. Wave Grid Pattern: Napoleon's iconic wave grid pattern is designed to provide better heat retention and distribution, helping to create even grilling results and sear marks on your food. 3. Compatibility: These cooking grids are specifically designed for use with the Prestige PRO™ 500 Gas Grills, ensuring a perfect fit and compatibility with your grill model. 4. Maintenance: Stainless steel grids are relatively low-maintenance. Regular cleaning and occasional seasoning can help prolong their lifespan and prevent food from sticking. 5. Set of Two: The package includes a set of two cooking grids, which are typically the main grilling surfaces in your grill. When upgrading or replacing your cooking grids, it's essential to ensure that they are compatible with your grill model. These stainless steel grids are a suitable choice for those using a Napoleon Prestige PRO™ 500 Gas Grill, offering durability and excellent grilling performance.