Adoption of material, the rear view mirror is durable and use. Fast to install and dismantle by a adjustable belt. It is light weight and scratch resistant with large lens. You can adjust it to any angles. With reflector on the back, it you safer when riding on the road. Suitable for 15-35mm diameter handlebar. Feature - Color: Black. - Material: Plastic. - Size: 16.00X10.00X2.00cm/6.29X3.93X0.79in - Adoption of material, the rear view mirror is durable and use. - Fast to install and dismantle by a adjustable belt. - Light weight, large lens, scratch resistant. - Adjustable to any angle. Support 360 degree rotating. - With reflector on the back, it you safer when riding on the road. - Warm Tip: Dear buyer, due to lighting effect, monitors brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 2 x Pair of Bike Rear View Mirror