Product features:1. The glass sheet is a wide-angle convex mirror, with a field of view and moderate deformation;2. To meet the handlebar diameter of thicknesses3. Each model has a 3-dimensional 360-degree adjustment axis. In , the rear-view mirror reflects light without blind spots, but if it is installed in the middle of the handlebar, the body or arms may block of sight when riding. , no need to look back at the road conditions, and provide the majority of riders with a personalized and practical rear-view solution.a wide-angle convex or flat mirror, and a position-adjustable bicycle self-fixing simple mirror, which can be directly installed on the handlebars or vice handlebars of bicycles without adding anything else. Accessories; after some are installed, the body or arms may block of sight when riding, and you need to shake the of the car to adjust the angle of the mirror when you are looking at it. Button diameter: Silicone without handle: Suitable for handlebars with a diameter of about 15-35MM, and can also be installed on the handle and the handle. size:7.9cmMaterial:Mirror+PCcolour:As ShownPackage Contents:1 x Rearview mirrorOnly 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.