Materials: PVC Size: Spoke reflector lens: 110mm*30mm/4.33*1.18in, Reflective sheet with fixed frame: 5.3*3.5cm/2.08*1.37in. Color: As shown in the figure Product features: 1. Improve cycling safety: Bicycle spoke reflectors can enhance visibility for night riding, alerting other vehicles and pedestrians to your presence, effectively reducing the risk of traffic accidents. 2. Easy to install and remove: This bicycle spoke reflector comes with a mounting bracket, making installation easy without tools. It can be easily installed on the wheel spokes and is convenient to remove without causing damage to the wheels. 3. Waterproof: Made of high-quality materials, the bicycle reflector is waterproof and resistant to moisture damage. It has a long service life and can maintain a good reflective effect for a long time. 4. Versatile: This product is suitable for various types of bicycles, including mountain bikes and road bikes. Reflectors can be installed on the front and rear for all-around improvement in cycling safety. Package includes: 2/4/6 pcs Bicycle reflectors