Product name: bicycle mirror Product size: 5.3cm black: 5.3*11.5cm/2.08* 4.52inch 7.9cm black: 7.9*14cm/ 2.95*5.51inch oval: 5*7*13.5cm/1.96*2.75*5.31inch Product color: As shown in the figure Product material: Glass+plastic product features: 1. Our mirror adopts the design method of wide-angle convex mirror to provide a wide view for cyclists and let them see the road behind them. 2. The mirror is made of high-quality materials, designed to withstand all kinds of bad weather and durable. 3. Directly installed on various bicycle handlebars or auxiliary handlebars without additional accessories; After some of them are installed, the body or arm may block the view when riding, so you need to shake the front of the car to adjust the angle of the mirror . It can be installed on the left or right side of the handlebar. If you need to install it on both sides, please buy 2! 4. The mirror is light and will not add extra weight to the bicycle. 5. Each model has a 3-dimensional 360-degree adjustment axis. Theoretically, there is no blind spot in the reflected light of the rear-view mirror. However, if it is installed in the middle of the handlebar, the body or arm may block the view when riding. With it, you don't need to look back at the road conditions. It provides a personalized and practical rear-view plan for the majority of riders. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pc bicycle mirror