brand new and high quality Bright reflective series product, the distant direct light back to the light reflection principle according to the light,day or night reverse have good optical effect of radiation.It self has the color and in the night under the condition of light scattering, in effect,reflecting the body color of the light,so that the vehicle can easily find the rider,reflecting the good warning action. Features: Bright reflective series product, high quality material. High reflective, give a strong refection under the light irradiation. No batteries, can be used for a long for time, for sun and rain are available. Fits all standard spoke, incredibly simple to attach. Easy to install and lightweight. Specification: Function: Fast deduction, Warning (NO battery ,only reflect light) Material: Plastic Size: app.7cmx3.5cmx0.7cm//2.76''x1.38''x0.28'' Color: White, Yellow Quantity: 1 Pc Note: 1.Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Spoke Reflective Sheet (without retail package)