1,Handmade Shiny Rhinestones: Tire valve caps are made of shiny rhinestones material to give your car a unique luxurious look and make your car unique. 2,ABS Plastic: The valve cover uses ABS plastic, which is coated with polymer clay, anti rust, can effectively prevent the valve from being covered by dust, snow, rain and water, prolong the service life of the tire. 3,Anti Leakage: The inside of the wheel valve stem cover is a rotating threaded structure, which can be tightly fixed with the tire valve stem to effectively prevent the valve from leaking. 4,Universal Application: The tyre valve stem cover size is 0.59x0.51in or 15x13mm (Height x Width). It is generally applicable to standard American (Schrader) valves. 5,Easy to Install: Car tire stem dust cover can be installed without any additional tools, very simple and convenient, direct replacement for the old or broken one.