SIZE & PACKAGE - 17 3/4 x 13 1/4 inches for each grate, 17 3/4 x 26 1/2 inches for total, set of 2 packs PREFECT FIT - Fits For Napoleon Prestige PRO 500 grills. They can fit perfectly and works great EXTREMELY DURABLE - Grill grates part made of premium matte cast iron, well-engineered and built to last. Our cast iron grates also deliver professional searing, able to produce prominent sear marks Some tips to prevent rusting - (1) Wash and dry after each use. (2) Brush oil and season after each use. (3) When not in use, please cover the grill. (4) Open a little damper and let the condensate evaporate PLEASE NOTE - Brand and Models are reference only#, please measure the size before buying Zemibi Grill Grates Replacement for Napoleon Prestige PRO 500 Gas Grills, Cast Iron Grill Cooking Grids, 17 3/4", 2 Pack