Abundant Quantity to Use: you will receive 20 pieces of fluorescent tire caps in various colors, green, blue, yellow, red, pink, 4 pieces for each color, enough to meet your use and replacement needs, and you can share them with others No Air Leakage: our valve stem caps come from exquisite technology, with a rubber sealing design, creating a tight sealing effect, will not leak in the process of your long time driving, making your driving more safe, allowing you to use them at ease Luminous Visual Effect: glow in the dark tire valve caps uses luminous material, able to present a fluorescent and charming visual effect at night, easy to draw peoples attention; When your wheel rotates, it automatically flashes and forms a beautiful aura; It is recommended to be illuminated in strong light for a period of time before use, so that the luminous effect can be more obvious Simple to Assemble: fluorescent valve covers are designed with swivel thread, easy to tighten by hand without the need for other tools, saving time and labor; Also, they are simple for your disassembly and replacement, also help to avoid internal stem breaking Applicable Usage: our light up tire caps for cars have wide applicability, suitable for most cars, trucks, SUVs, RVs, motorcycles, bikes and other vehicles; And they measure about 0.3 inch in inner diameter, 0.54 inch in inner height and 0.6 x 0.4 inch in external size ColorYellow,Blue,Green,Red,PinkMaterialRubberFit TypeUniversal FitVehicle Service TypePassenger Car, SUV, Truck, MotorbikeShapeRoundItem Weight1.44 ouncesPackage Dimensions3.98 x 2.64 x 0.63 inches