Easily install and remove:mounting bracket is retractable silicon rubber belt,can be easily install even with no toolsConvenient use:light weight, lens,and is adjustable through the movement of all three axesFits most bike:retractable rubber belt suitable for the diameter of the pipe approx 15 to 30mm,can be mounted on handlebars,handle stems,bar ends,frames,etcDurable and scratch resistant:glass mirror,silicon rubber backing plate and handle;aware of your surroundings with this bicycle mirror,make you safer when riding on the road.The handle of the mirror is adjustable to any angle,360 degree rotatColour:Black Material:silicone rubberMirror diameter:about 5.1cmPackage Contents:1 pair * bicycle rearview mirrorsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.