TOOGOO(R) 4 x Metal Cool Grenade Shaped Design Car Auto Motorcycle Bike Tire Tyre Valve Dust Caps Red Made by aluminum and plastic material,Solid and durable, Cool grenade style design Protective Car Tyre Valve Caps to help prevent leakage, dirt and other objects from damaging cores Ideal for motorcycles, cars, vans ,bicycles and so on. Size: 3.6cm x 1.8cm Inner diameter: 0.7cm(Please make sure the size fit for your Tyre Valve before biding)