Features: Brand new and high quality Quality Material: Our bike side glass is made from quality nylon plastic material, firm and durable, safe and environmentally-friendly. Is very versatile and suitable for people who commutes to and from get-off work by bikes. Riding Safety: This bicycles glass adopts flat glass designs and has a wide field of view, and allows you to understand the surrounding environment while riding, you can see the road behind without turn your head. Adjustable: Rearview glass with wrist strap, 360 degree retotation, you can easily get the viewing direction you want by rotating, convenient to use. The wrist strap is a strap , which can be easily adjusted in size. Comfortable to Wear: Our bicycles rear view glass made from quality breathable strap material, light weight, small size, easy and very comfortable to wear, and it only takes a few second to put on and takes off. Innovative Design: Unique fashionable wrist glass, especially designed for wearing on arms, therefore do not need to place on the bike. Just put it on your arm to get well sense of rear visual field. Specifications: Material: Nylon Color: Black Package Weight: approx.30g Glass Size: approx.5cm/1.96in (More Size Detail, Please See Photo.) Package Includes: 1Pc Bike Rear View Glass note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!