This Car Blind Spot Mirrors are designed with wide angle view, improve vehicle safety. These car rearview mirrors are designed with convex lenses and offers wide-angle view to enhance vehicle safety. They are easy to install, just simply stick on your car side mirrors. The double adhesive tape base are to make sure they are easy to install, just stay on your car wing mirror. Product Name: Rear Mirror Color: Black Material: plastic, glass Diameter: 95mm / 3.7 inches Package Content: 2 x rear mirror Note: behind chewing paste color randomly Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.