Features: Function - The reflective strip has its own color that reflects light and can be easily detected by vehicles from long distances, providing safety for your ride. EASY TO INSTALL - No glue and additional tools needed, just push the wheel onto the spokes, and the installer can be completed within seconds. Bike Decoration - The lightweight material does not affect the performance of bicycle tyres, and different colored spoke reflectors add fashionable ornaments to your bike, enrich your cycling. SIZE - The length of the bike reflector is 28mm and the wide is 25mm, it is for most standard 1.8-2.0mm diameter spokes. Specifications: Type: Reflective Stickers Material: PVC Size: Length: 5.8cm(2.28in) ,Wide: 2.5cm(0.98in) Color: Red/Yellow/Blue/Green Quantity: 4Pcs Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes:(No Retail Packages) 4 x Bicycle Spoke