Enhance the look of your vehicle with these luminous valve caps. Designed to provide excellent sealing performance, these caps protect your tire valves from dust, dirt, and debris, preventing corrosion and air leakage. Made with fluorescent materials, they absorb light during the day and glow at night, adding style and visibility to your vehicle. The upgraded split design of these valve stem covers fits a variety of vehicles, ensuring enhanced brightness and practicality. With a simple rotating thread design, installation is quick and easy, requiring only a few seconds to tighten securely by hand. Before first use, expose the caps to light for optimal glow. Suitable for cars, bikes, motorcycles, SUVs, trucks, and bicycles, these glow-in-the-dark valve caps are a versatile and valuable accessory. Give your vehicle a cool and stylish touch while also making a perfect gift for family and friends. Add these lighted exterior accessories to your vehicle today and stand out on the road. Item Name: Luminous Valve Cap Material: Rubber Features: Simple Installation, Practical, Long Lasting Size Details: 1.7cm x 1.3cm/0.67" x 0.51" (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: 12 x Luminous Valve Caps