? HIGH-QUALITY — We offer the best tire valve caps available today because each car tire valve cap has grips around each dome shape to make it easier to grab and tighten it with your fingers on the fly; a custom-designed to lock on tight for a firm fit you can trust.? DURABLE AND LONG-LASTING — Use our tire valve caps with heavy-duty protection to ensure stability and protection when driving. These are weather-resistant dustproof and more durable than other brands. The valve caps will definitely protect your valve stems for dust dirt damage and corrosion.? VERSATILE APPLICATION — These standard replacement tire valve caps has variety of applications! Best for wheels to keep tires inflated at the proper level on bikes cars SUVs trucks and other motor vehicles.? AIRTIGHT AND LEAKPROOF — Every single tire valve cap features a rubber O-ring that create a tighter and more effective seal that prevents air leakage and to properly keep out dust dirt grime and road debris. No more air leaking on long tough drives.? SAVE MORE MONEY — This order includes 30 complete sets of valve caps; valve caps with O-ring rubbers to cover all your automobiles with extras to spare. Buying more for spare will not only save you money but also saves your time and effort.