The bike reflector can directly reflect the lights, make your bike can be seen no matter in day or night, can show a nice warning effect, durable, sturdy and wear-resistant to use, can support for long time usages. And they can be your good helpers. Features -Color:Assorted Color -Material:PVC -Size:6.00X6.00X0.50cm/2.36X2.36X0.20in -Never you need to clean or change them until end of the bike, very convenient. -Easy to install with only simple steps. Quickly install them and go to ride outdoor! -High reflective product, good material, lightweight design, appearance, and easy to use. -High reflective, give a strong reflection under the light irradiation, keep your safety when cycling. -No batteries needed, this reflector can be used for a long time, sun and rain are available. Package list: 30 x Keychains