Handmade Sparkling Rhinestones: Tire Valve Stem Caps surface is covered with sparkling rhinestones, stylish personality, and gleaming, bringing your car a unique luxurious appearance. ABS Plastic & Anti-Rust: Valve Stem Caps is made of high quality ABS plastic, coated with polymerclay, wear-resistant and corrosion-resistant, it can effectively prevent the valve from being covered by dust/ snow/ rain, to entend the service life of Rotating Thread & Anti-Leakage: The inside of the valve stem caps is rotatin thread structure, it can fastened tightly with tire valve stem, effectively preventing the valve from leaking. Compatible size: The size of the valve stem caps is 0.59” x 0.51”/ 15x13 mm (HxW), universally fits for standard American valves. You can install it no need any extra tools, very convenient. Dual purpose: In the protection of the valve, but also a good decoration.