Feature: 1. What you will get: The valve cap is sold in 4pcs, 8pcs or 20pcs, you can buy it according to your needs. The cap is about 1.6 x 1.2 x 0.8cm/0.63 x 0.47 x 0.31inch(length x outer diameter x inner diameter). 2. Sturdy material: The valve cap is mainly made of ABS plastic, featuring high toughness and high strength, weatherproof and durable. The inner and outer double-layer design can effectively prevent leakage. 3. Luminous feature: The valve cap has a built-in phosphor material, which can store light, absorb light during the day, and emit light at night. It protects the tire valves and is a nice trim. 4. Universal for tires: Cap is universal for tires, suitable for car, electric vehicle, motorcycle and bicycle tires. It prevents the valve from becoming clogged with dust or sand, preventing the tire from exploding. 5. Easy to install: Take off the original valve cap, put the new one on the valve and tighten it. Its surface has anti-skid gear design, easy to install. Specifications: Color: White+light green (green luminous) Material: ABS+phosphor Applicability: Universal Size: About 1.6 x 1.2 x 0.8cm/0.63 x 0.47 x 0.31inch(length x outer diameter x inner diameter) Package Includes: 4pcs x Valve cap Or 8pcs x Valve cap Or 20pcs x Valve cap Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.