Feature: 1. Material: The 4 illuminated stem caps are made of high-quality ABS material. These tire valve caps are lightweight and very durable. When the wheel moves, the valve cap automatically flashes, creating a circle of light, making your car more attractive. 2. Luminous effect: The tire valve cap absorbs sunlight or light energy during the day or under light, so it shows a better night light effect at night. 3. Car valve protection: These tire pressure caps are perfect car valve protection. Anti-leakage, water ingress, dustproof and sandproof to ensure driving safety. 4. Easy to use: The tire cap is easy to use without any tools to install. You just screw it directly onto the valve by hand, very convenient. 5. Compatibility: You don't have to worry about its compatibility because our tire valve caps are suitable for 99% of vehicles on the market, whether it's cars, motorcycles or bicycles. Specification: Origin: CN(Origin) Model: Tire cap Color: pink, yellow, red Material: ABS Product size: height 16mm/0.62in, diameter 12mm/0.47in Packaging: PE bag Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color shown in the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement. 4 x Tire caps