Mirror Material: The glass curved mirror is made of high quality acrylic, providing a wider and clear view. (Freely adjustable angle) The mirror part can be adjusted even after mounting, and it is a support mirror that can be adjusted to the fit. Easy Installation: You can install it right away without any tools. Just peel off the double-sided tape and attach it to the left and right side mirrors. Wide Field of View to Eliminate blind spots: The car can expand the rear view while driving or backing, compensating for driver blind spots and assisting in checking both backwards and downwards. [Product Details] Size: Approx. 4.1 x 2.0 x 1.8 inches (105 x 50 x 45 mm), Color: Black, Package Contents: 2 pieces.