Feature●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 sizeDescription Features: Valve caps for car are leakproof, helping to protect the valve, keep the tire away from water, sand and dust, thus improving the service life of your tires. You can send air valve caps for tires to people who have vehicles, such as your family members, friends, colleagues, neighbors, relatives and so on. They will be grateful for your kindness, and your relationships will be promoted. Specifications: Material: rubber sealing Color: green, blue, yellow, red, pink Size: about 0.3 inch in inner diameter, 0.54 inch in inner height and 0.6 x 0.4 inch in external size Package includes: 20 x Valve caps for car Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Swallowing risk may exist, please stay away from little kids.