💎【High Quality Material】The valve cover is made of high-quality plastic and rubber, the multi-purpose valve dust cover can protect the valve from dirt, dust and corrosion, You don't have to worry about tire valve caps falling off due to wear and tear, because they have a long service life. 💎【Anti-Slip Design】There are non-slip stripes on the surface of the valve dust cover, which is easier to grasp and tighten, lightweight, portable, easy to Install, no other operations or tools are needed, you can tighten in a short time, can help you improve efficiency. 💎【EASY TO INSTALL】Simply screw the valve dust cap onto the tire valve stemit’s effortlessly to screw on by your fingers,install or remove easily when check your tire air pressure.Very lightweight and will not damage your valve. 💎【Widely Use】These valves are suitable for bicycles, road bicycles, folding bicycles and most mountain bikes, They are well sealed, widely used in bicycle repair shops and household bicycle tire valve cover replacement enjoy your bike trip with our accessories. 💎【Package Includes】15 pcs black valve covers, made of high-quality can protect the valve from dirt, dust and corrosion, extend valve stem life, extend the life of the tires, which willgreatlymeet your demand.