They are used in bicycle spokes, giving a strong reflection under the light irradiation by the the flashlight torch or car at night. Play a security role. No batteries, can be used for a long time no matter sunshine or rain.
Note: This is reflective strips (not light bar, couldn/ 't light itself) , will be reflective in the light irradiation only and give a security warning!
Color: Red, Blue, Green, Yellow, Silver. Pls tell us the color you want. Or we will send Random to U