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 durablebicycle mirror end, high quality, impact resistance, no cracks. Handlebar mirror is polished. The solid construction of the convex mirror ensures the long service life of the bicycle mirror. Even when driving downhill, the mirror will not tremble and burst. Innovative DesignThe 360 degree rotating design allows this mirror to be fully adjusted to the correct rearview angle and better adjusted to any direction. Control-free, comfortable, wide field of view. Lightweight and powerfulQuick assembly and disassembly with an adjustable belt. Lightweight, large lens and scratch resistant. Wide field of view, anti-reflectiveVery convenient and adjustable strap to keep the mirror in place. Once you've attached the band to your arm, the convex mirror lets you see everything that's going on in your rear view. NoteTake off the protective film before use, otherwise unclear. 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 an error of 1-2mm.