About this item   
【TIRE STEM VALVES CAPS】-The inner layer of the valve stem cover is designed with luminous material, which can make the car decorated with Tire Valve Stem Caps lights at night. When your wheel starts to move, it automatically flashes and creates a circle of light that makes your car/motorcycle/bike look beautiful.
【FLUORESCENT EFFECT】- One-piece tire valve stem cover features illuminated plastic inserts and clear housing protection. A good valve cover will prolong the life of the tire.
【WIDELY USED】- The inner diameter of tire valve caps is 8mm, fits most cars, buses, SUV, trucks, motorcycles, and bicycles, etc., keeping the tires of vehicles at the proper inflating level.
【EASY INSTALLATION】It's can easily tightened use your hand, no need any extra tools, very easy and convenient. It is universal fits for standard American valves. It's also for your families and friends.
【TIPS】When installing for the first time, please illuminate the tire valve stem caps with light or sunlight for 5 minutes, the effect will be brighter at night.