1. This bicycle plastic reflector taillight is made of high-quality plastic material, which is light, durable and not easily damaged.2. The unique design and reflective function help improve the safety of riding at night or in low light. 3. Simple assembly, can be easily installed on the rear wheel or frame of the bicycle without additional tools. 4. Suitable for various types of bicycles, such as mountain bikes, road bikes, folding bikes, etc., it is an ideal bicycle safety equipment.5. The light is bright and soft, which effectively reminds the vehicles and pedestrians in front to pay attention to the presence of bicycles and reduce the possibility of traffic accidents. Specifications:Material: plasticSpecifications: 5*3*2cmGross weight: about 10gPackaging: PP bagPackage includes:Reflective sheet + fixing bracket*1Notes:1. Please allow 1-2 cm error due to manual measurement. Thanks for your understanding.2.Monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object.