The product is a genuine factory OEM Volvo wheel center hub cap in black color, with a 64mm outer diameter and 2.5" inside diameter. It comes with the manufacturer part number 3546923 and is designed specifically for Volvo vehicles. The cap features the iconic Volvo emblem and is an interchangeable part with numbers 3546923, 8646379, and 30666913. This high-quality wheel center cap adds a sleek and authentic touch to your Volvo wheels, enhancing the overall appearance of your vehicle.