1.360 ° Reflection - Bicycle spoke mirrors provide 360 ° reflection. Therefore, your visibility has been improved, whether in dim light or at night, as long as you are illuminated by the headlights, you will be seen!2. The clip is made of 3M Scotchlite reflective material. Its design is to maintain a strong grip, allowing the clip to be installed on it for a long time, and the reflectivity can also be well maintained!3. Quick and Easy Installation - The reflector can be quickly and easily installed on common bicycle spokes. You just need to secure the clip to the spoke and maintain a distance of 0.78 inches to 1.18 inches from the rim!4.72 piece set - includes 72 spoke reflectors, and all spokes on both wheels of your bicycle can be installed!5. The reflective spokes of the bicycle do not require electricity and can be used for a long time, still usable in sunlight and rain. This is a good way to ensure the safety of children riding bicycles. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.