High Quality MaterialThe bike reflectors are made of high quality plastic, which is sturdy and durable. You only need to clean or replace them at the end of the ride. Safety when riding at night The cat eye reflector bike can reflect strong light in low light conditions and improve the field of vision of cycling. You can now be seen and be safe even in low visibility conditions. Easy to InstallJust tighten the groove on the spoke, align the hole of the reflector with the plug and fasten the slot of the reflector on the spoke, push the connector inward until there is, and then twist the connector with a screwdriver. Widely Used The spoke reflectors can be used as brake lights, tail lights, and license plate lights be used. Suitable for most bikes with mirror mounts, suitable for mountain bikes, children's or adult bikes, etc. What You GetThe bicycle spoke reflector accessories include 2 pieces front reflectors, 2 pieces rear reflectors and 4 pieces bicycle wheel spoke reflectors, which can meet your basic needs can fulfil.