ABS plastic, 100% brand new. The durable ABS center cap is corrosion-resistant. Wheel hub center caps are designed to improve the appearance of your wheel hub, and also keep the end of your hubs clean, so they're easier to maintain. Size: Outer Diameter: 180mm7.09inch, Total Height: 40.1mm1.58inch. Please use a digital caliper to check your original cap dimensions if you are not sure. If you are not sure about the size, please feel free to contact us. Fitment: These center wheel caps are compatible with C806805-1 C108015-16B01 C806806. For many kinds of vehicles. (Important size: OD7.09". please check the size with your original one). Then, for larger or smaller sizes, you can find them in our shop (steel.frame.motor). Easy Installation: It is easy to install, directly click into place after removing your old caps, and, enjoy the new looking. You can attach a new logo sicker to it, making your car look new and feel more comfortable. Package: Set of 4 replacement rim center caps. Snap that on. It's going to give us a more clean look. It's going to keep dirt and debris and stuff like that from getting in our cap.