Note：If you want to be very bright, please absorb enough sunlight in the morning, if you have any questions, please contact us first, we will solve everything for youSpecifications:Material: PlasticColor: LuminousSize: about 1.6cm X1.2cm, inner diameter 0.8cmFeature:1. Tyre valve tire dust caps can protect tire valve against exposure to dust;2. You can replace the original bad tire valve caps3. The tire valve cap is made of good quality plastic, waterproof,dustproof;4. Easy to install; Decorative tires and protective tiresPlastic valve caps: Practical valve caps can protect your valves from dirt and corrosion and help you to replace original bad valve cap of tyre.Good quality material: The valve cap is made of durable plastic which can extend service life of tyre.Wide application: Universal Vehicle and Utility Compatibility. Fit for cars, SUVs, trucks, bikes, and other motor vehicles.Package inlcude:2/4 Pcs * plastic Luminous valve caps (please choose quantity as you need)