Giveumore 4pcs/set Car Automotive Tire Tyre Valve Stem Caps Covers Grenade Style Purple/Red/Blue/Green Color Optional Design grenade shaped, as a stylish decor for car. Protective Car Auto Valve Caps to help prevent leakage, dirt and other objects from damaging cores. Tyre Stem Covers screw onto the valve stem of your car. Purple/Red/Blue/Green 4 Color Optional(Please tell us which color you want when you make order, Otherwise we will send at random)