Product parameters: Product name: Bicycle Rearview Mirror Material: Plastic Size: 5*5*3cm Color: Black Package includes: Bicycle Rearview Mirror * 1 Product description: High quality, strong and durable: The bicycle mirror end is high quality, impact-resistant, and will not crack. The handlebar mirror is polished. The solid construction of the convex mirror ensures the bicycle mirror's long service life. Even when riding downhill, the mirror will not shake or crack. Innovative design: The 360-degree rotatable design allows this mirror to be fully adjusted to the correct rearview angle and better adapts to any direction. Control-free, convenient, and wide field of view. Lightweight and powerful: Quick installation and removal thanks to an adjustable belt. Lightweight, large lens, and scratch-resistant. Wide field of view, anti-reflective: A very practical and adjustable belt keeps the mirror in place. Once you attach the strap to your arm, the convex mirror allows you to see everything that is happening in your rearview. Note: Please remove the protective film before use. Otherwise, the color may be unclear. Please pay attention to this point. Note: 1. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 2. Due to manual measurement, there may be a 1-2mm error.