The shell is made of high quality ABS, very and not easy to age. Effectively expand the visual angle. Perfectly designed to increase visibility and improve driving safety. Excellent adjustable, can be adjusted to the angle you need, convenient to use. Suitable for all cars. With glue on the back, easy to stick. Material: Acrylic Butadiene Styrene (ABS) Color: Black Size: 13 x 4 x 7 cm Package Included: 4 x Mirrors Only the above package content, other products are not included. Note: Light shooting 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 +/- 1-3 cm.