DescriptionHigh-quality materials make them light, durable, rust-proof and have a long service life, suitable for most bicycles, motorcycles, automobiles, etc. Simple design and long service life. They can prevent dirt from entering and damaging the tire.Features-Material: Copper. -Size: About 1.20X1.10X1.10cm/0.47X0.43X0.43inch. -Easy to install, turn them clockwise to tighten them to the tire valves stem. -They are made of high-quality copper material, strong and durable, and can be used for a long time. -Wear-resistant, anti-rust, they are not easy to deform and break. -Valves caps can protect the valves, prevent the water, dust or sand into the tire. -Universal design, very suitable for use as most tire valves caps