Plastic Car Bike Motorcycle Truck Wheel Tire Valve Stem Caps Car Wheel Caps On The Nipple Exterior PartsFeatures:Made of good quality plastic.Heavy-Duty, Weather-Resistant Durability.Rubber O-Ring for Airtight Seal(create a tighter, more effective seal, so there's no air leaking on long, tough drives.)Ergonomic, Easy-Tightening Grips(Each car tire valve cap also has grips around each dome shape to make it easier to grab and tighten it with your fingers on the fly.).Universal Vehicle and Utility Compatibility. Fit for cars, SUVs, trucks, bikes, and other motor vehicles.Package inlcude:10/25/50/100 Pcs * plastic valve caps with rubber ring seal (please choose quantity as you need) Warm Tips: if you want mix colors, please leave a message to me.