Product parameters: Product name: bicycle rearview mirror Material: plastic Size: 5*5*3cm Color: black Package includes: bicycle rearview mirror * 1 : High quality, strong and durablebicycle mirror end, high quality, impact resistance, no cracksHandlebar mirror is polishedThe solid construction of the convex mirror ensures the long service life of the bicycle mirrorEven when driving downhill, the mirror will not tremble and burstInnovative DesignThe 360 degree rotating design allows this mirror to be fully adjusted to the correct rearview angle and better adjusted to any directionControlfree, comfortable, wide field of viewLightweight and powerfulQuick assembly and disassembly with an adjustable beltLightweight, large lens and scratch resistantWide field of view, antireflectiveVery convenient and adjustable strap to keep the mirror in placeOnce you've attached the band to your arm, the convex mirror lets you see everything that's going on in your rear viewNoteTake off the protective film before use, otherwise unclearPay attention to this pointNote: 1Due to the difference between different monitors, the picture may not reflect the actual color of the item2Due to manual measurement, there may be an error of 12mm