Self-illuminating valve cover for vacuum tires, absorbs and emits light for enhanced visibility at night. Made of durable ABS material, ensuring stable air pressure and effective prevention of air leakage. Universal design suitable for all models of bicycles, electric vehicles, and motorcycles. Upgrade and replace vacuum tire valves with these luminous valve caps for improved safety and visibility. Ideal for outdoor enthusiasts and night riders looking for a reliable and practical solution for low-light conditions. Description: Introducing our innovative self-Illuminating valve cover, designed to enhance safety and style for your vehicle. Made from high-quality ABS material, this valve cover is not only durable but also features a self-illuminating material that absorbs light during the day and emits a gentle glow at night, providing increased visibility in low-light conditions. Its stable air pressure and excellent air leakage prevention function make it suitable for all models of bicycles, electric vehicles, and motorcycles with vacuum tires. This universal valve cap is easy to install and is the perfect replacement or upgrade for your current valve caps. Stand out on the road and improve your safety with our luminous valve cap. Item Name: Valve Cover Material: ABS Features: Luminous, Self-Illuminating, Stable Air Pressure Size Details: L: 1.6cm/0.63", W: 1.2cm/0.47" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 10 x Valve Cover