Improve safety Bicycle mirrors can provide the best all-round vision and improve the safety of road traffic. Easy installation No tools, easy to install and use. Fits the handle, just clip the holder with a rubber strap. Fixed installation, will not relax. Optional adjustment The base can be rotated 360 degrees and the mirror can be rotated 180 degrees to help you observe all directions behind you. Convex mirror MTB mirror is a convex mirror, which gives you a wide view. Adjust to the different viewing angles you want. Packaging Two MTB mirrors. Suitable for handlebars with a diameter of 15mm to 35mm. Plastic mirror, silicone rubber backing plate. Product description Features: 1. The three-level bicycle mirrors can be rotated different degrees to give you a wide view. 2. Installation is simple and can be easily installed and removed without any tools. 3. Horizontal 360 degree rotation, 90 degree counterclockwise or clockwise rotation help you to observe all directions of your back. 4. You can get a clear view because the mirror is glass. And the rubber belt makes it more firmly on the handlebars. Specifications: Material: glass mirror and rubber belt The length: 14 cm (5.5 inches) The width: (mirror length) 8 cm (3.3 inches) Package includes: 2x bike mirror