ANKIA Prank Tire Valve Stem Cap is a product that can tease your family or friends, this prank shaped valve caps will be a great choice! Suitable for your various prank use!Product description: Made from resilient rubber, more sturdy and not easy to break Fit on most kinds of cars, RV, motorcycle, SUV, bicycle, truck, etc Dust-free and anti-corrosive, fits the valve stem perfectly to prevent the valve stem from being corroded by clay or water The size of the cap is a 0.5 inch shaft with a length of 1.625 inches and a sphere of 0.625 inches. 4.1* 1.5 * 3cm Suitable for many different tires (cars, trucks, bicycles, motorcycles, etc.). Material: TPR Package Contents:8 x luminous Prank Tire Covers Note: If you want a more eye-catching effect, first absorb enough strong light or sunlight. But the brightness will decay over time.