Hummer H3 Logo Black Tire Stem Valve Caps Tire Valve Stem Caps made from ABS composite materials. Black finish. For a perfect seal each cap is fitted with a Buna N O-Ring. The logos are permanent, fade-resistant waterproof and scratch resistant. Cap will fit on standard tire stem. (please check if you have TPMS on your car) Sold as a set of 4 Valve Caps in one case.