KALAIXING Cycling Wheel Spoke Reflector Clips, Reflective Mount Clip Tube Warning Strip,Spoke Bicycle Caution Decals 12pcs Clip Tube Reflective Wheel Stripe Stickers-Green KaLaiXing With reflective material, it can reflect light12pcs reflecting the body color of light, so that the vehicle can easily find the existence of the rider ABS Tube+ Bright Color Reflective Coating Film Inner Dia.:1.8-2.5mm Length:75mm Outer Dia.:5mm Improve personal safety when cycling at night, also a decoration to make your bicycle more cool.Package content: Relective Wheel Strpe*12pcs. To be used in bicycle spokes, giving a strong reflection under the light irradiation by the the electric torch or car at night. Play a security role. No batteries, can be used for a long time.