Prank Valve Stem CapsThe prank tire valve stem caps glow in the dark, the vivid appearance that shines in the night is even more eye-catching! This is definitely a very funny prank product. Funny Luminous Tire Valve CapsThis tire valve cover can fluoresce at night with the unique shape which is so fun. Universal CompatibilityThe pink prank tire valve stem covers is made of high grade rubber material, soft, dustproof, durable and reusable, Works on many different tires cars, truck, bike, motorcycle, SUV, etc.., Doesn't affect tire pressure and balance. Keep tires inflated at the proper level. Built to LastThe funny tire caps made from resilient rubber, high quality rubber that creates a tighter, more effective seal, more sturdy and not easy to break. Don't worry about the corrosion of the valve core caused by oxidation of the metal tire valve covers. Easy to install and removeEasy to install or remove without any tools, everyone can screw car wheel caps on the tire valve stem in seconds! They easily screw onto your existing valve stem.