Description They are bike tire valves caps, which are made of and gentle material, which are durable and can serve you for a long time. Made with excellent craftsmanship and reasonable design, they can effectively prevent air leakage and prevent dirt and other objects from damaging the tire core. Features -Color: As shown -Material: Aluminum alloy -Size: 3.50X2.00X2.00cm/1.38X0.79X0.79in -Provide a nice air seal for your stems, protect it from air leakage, and extend your . -Manufactured with , practical and durable for use. -Replace the original bad tire valves caps and extend the service life of bike tires. -They are made with excellent craftsmanship, durable and good in texture. -Manufactured with environment-friendly material, which are strong and wear-resistant. Package list: 8 Caps