This bicycle rear view mirror is easy to install and it will make your riding safer. Features: 75mm large mirror, large field of eyevision, no blind area. Safer wide-angle eyevision, clear mirror, no distortion and dizziness. 360 adjustable, more comfortable viewing angle. Mirror protectives films to prevents mirror damage (please remove the protectives films before use). Easy to install, suitable for handlebar diameter of 20-38mm. Made of fine quality material for long using time. Specifications: Main color: black Main material: PP+PA+PU Mirror diameter: 75mm / 3.0in Item size: 145 * 82 * 22mm / 5.7 * 3.2 * 0.9in Item weight: 46g / 1.6ounce Package size: 123 * 85 * 27mm / 4.8 * 3.3 * 1.1in Package weight: 62g / 2.2ounce Packing List: 1 * Bicycle Mirror 1 * Rubber Band