The product is a genuine OEM 16" spare tire wheel specifically designed for a 2010 Toyota Prius. It has a rim diameter of 16 inches and a rim width of 4 inches. The spare tire is in good condition with 230,000 miles on it. It comes with the necessary interchange part number 560-69419 and is a direct fit for the specified vehicle. This high-quality spare tire is a reliable option for drivers in need of a replacement wheel for their Toyota Prius.