1) Looks like alloy wheels. 2) Easy to fit. 3) Reinforced metal feet which are 50% stronger than normal structure. 4) Made with virgin grade ABS material which makes it flexible and break resistant. 5) World-class chrome finish with black painted on chrome. Comes in 13",14" and 15" sizes. The installation video can be seen at https://www.youtube.com/watch?v=wZTNabrla5M