PREMIUM MATERIAL: Made of high quality material, this bicycle rearview mirror is absolutely for a long time. ROTATABLE: Rotatable design helps you see things in any direction without turning your head to stay more secure. Sometimes treated as a mirror to check your face. EASY TO INSTALL: With a wrench, this rearview mirror can easily be mounted on of the bicycle handlebar. [Universal & Safe]The bar end mountain bicycle mirror is applicable to both left and/or right side mountain bike handlebar, road bike Handlebar, leisure bike handlebar, etc FITMENT: Fit for most bikes - mountain bike, racing bike, nominal bike. Colour:black Material:ABS plastic Size:18.5 x 10.5 x 2CM Package Contents: 2 x bicycle rearview mirrors 2 x wrenches Only 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.