As a result of using this automotive accessory, I found that it not only adds a touch of style to my car but also keeps my tire valves clean and dust-free .The hexagon shape and blue color MAKE my car stand out from the rest. The aluminum alloy material is durable and long-lasting. The only downside is that the caps may loosen over time and require periodic tightening. Overall I highly recommend these tire stem valve caps to any car enthusiast..