Sport 4 Pcs Personality Skull Valve Stem Caps, Copper USA Tire Valve Caps, Universal Dust Proof Stem Covers for Cars, Trucks, Bikes, Motorcycles, Bicycles, Corrosion Resistant (Black)

Process：One-time die-casting, exquisite plating on the surface, to avoid metal oxidation, rust, and effectively improve wear resistance, texture and luster.
Copper + Chrome plating：High-grade anodized copper tire valve cover; 4 pcs/box.  suitable for all valve stems, conform to American standards, and high quality assurance.
Airtight Rubber O-Ring Seal： Apongzz valve stem caps for wheels have rubber rings, no air leaking on long, tough drives, and to properly keep out dust, dirt, grime and road debris.
Design Personality ：This valve cap is sporty, and the skull logo shows your personality. The high-end box packaging shows the grade and can be given as a beautiful gift.
Easy to install：It can be easily installed and disassembled without any tools, everyone can tighten the tire valve stem in a few seconds!