DescriptionHigh-quality materials make them light, durable, rust-proof and have a long service life, suitable for most bicycles, bikes, etc. Creative dollar shape design and long service life. They can prevent dirt from entering and damaging the tire.Features-Material: ABS, copper-Size: About 2.50X2.00X1.50cm/ 0.98X0.79X0.59in ch-Valves caps can effectively prevent the tire from leaking, ensure the safe driving.-Easy to install, it's can easily tightened use your hand, no need any extra tools, very convenient.-The tire valves caps are made of ABS and copper material, can improve seal to help prevent air leakage.-The tire caps are made of high grade material, unique appearance gives your tire a fresh look.-Made of premium material, durable and well constructed, install or remove easily.