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. Sometimes treat it as a mirror to check your face or cloth. You are worth it. Features: 1. Made of high quality material, which is very durable and lightweight. 2. Mounting bracket is retractable belt, can be easily install even with no tools. 3. Suitable for most handlebar bikes as it has an adjustable 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: Material: Plastic + Glass Color: Black Size: Approx. 13 x 5.5 x 2cm / 5.12 x 2.17 x 0.79in Quantity: 1pc Weight: Approx. 38g Package list: 1 x Bicycle Handlebar Rearview Mirror Note: Please allow 1-3cm error due to manual measurement. Thanks for your understanding. Made of high quality material, which is very durable and lightweight. Mounting bracket is retractable belt, can be easily install even with no tools. Suitable for most handlebar bikes as it has an adjustable strap. Adjustable to any angle, 360 degree rotate makes you safer when riding on the road. Great and useful handlebar accessory for you.