The car wheel nut covers are made of high quality plastic material, durable, smooth surface, not easy to damage and fall off, it can protect your wheel nuts from dust and rust, also can decorate your wheel bolts and keep your wheel nuts clean as new.Specification:Brand: JOYCOURTName: Car Wheel Nut CapsColor: Black/Red/Gray/Purple/Green/BlueMaterial: PlasticSize: Approx. 23.62mm (outer diameter) 19mm (innter diameter)Applicable: Most vehicle wheelsFeatures:-This car tire bolt cover can protect your bolt heads from dust, corrosion and rust, also can decorate the wheel bolts, also can be a gift for friends and relatives who have cars.-Surface smooth and burr-free, sturdy and stable, wear-resistant and rust-resistant, not easy to fade, not easy to fall off or loose, suitable for long-term use.-Easy to install, convenient to dismantle and replace, saving time and labor.