Features 1、Made of high quality ABS material, which is very durable and lightweight 2、Mounting bracket is retractable rubber belt, can be easily install even with no tools 3、Suitable for 15‑35mm diameter handlebar bike as it can be adjustable as the rubber strap 4、Adjustable to any angle, 360 degree rotate makes you safer when riding on the road 5、Great and useful handlebar accessory for you Specification Description: Our product is made of high strength material, which is very durable. The rear view mirror is safety and visible while you riding. 360 degree rotate help you watch every direction of you back. Fit for handlebar with 15-35mm diameter. Sometimes treat it as a mirror to check your face or cloth.You are worth it. Have a good day. Features: 1. Made of high quality material, which is very durable and lightweight. 2. Mounting bracket is retractable rubber belt, can be easily install even with no tools. 3. Suitable for 15-35mm diameter handlebar bike as it can be adjustable as the rubber strap. 4. Adjustable to any angle, 360 degree rotate makes you safer when riding on the road. 5. Great and useful handlebar accessory for you. Specifications: Main Material: ABS + Glass Color: Black Package Weight: approx. 40g Size: approx. 13.5 x 5.5cm / 5.1" x 2.1" Suitable: Fit for diameter of about 15-35mm of the handlebars Quantity: 1pc Package Included: 1 x handlebar rearview mirror Not included other accessories. Note: Please allow 1-3cm error due to manual measurement. Thanks for your understanding. Package List