Luminous Tire valve cap for car / motorcycle / bike / glowing valve cover. Since the fluorescent material needs to absorb the light source, it glows at night. Valve cap do not absorb light sources when stored in airtight packaging for extended periods of time. Illuminate with LEDs or place them in sunlight for 4-6 hours before using for the first time. Color: pink Made of hight quality lightweight ABS. Corrosion and waterproof. Easy to install. Just screw it on. Size: About 1.6cm*1.2cm, inner diameter 0.8cm. Shipping: we prepare the order within 1-2 working days. Ship with standard envelopes, without tracking number. If you prefer with a tracking number,select ” shipping upgrade” at the time of payment. Shipping time: Europe 5-10 bussines days, To other countries 2-4 weeks. If you have any questions, feel free to message me! After receiving the order, I will be very happy for your feedback!