i recently purchased a set of these tire valve stem cover rings for my automotive ride .Based on my observations, the rings added an elegant touch to my wheels. The rings are made of high-quality materials which makes them durable and long-lasting. However, attaching and removing the rings can be a bit difficult if you do not have the proper tools. Overall, I am satisfied with my purchase. If you are looking to customize your wheels, these rings are a great accessory..