3R Super Wide Rear View Mirror, 11" x 2.75" with Snap-on Auxillary Mirror to Eliminate Blind Spots for Cars and Trucks. One Touch Install and Shatter Proof. 200% MORE VISION This mirror comes as a set: the convex Main Mirror: 11", flat Auxiliary Mirror: 2". AUXILLARY Mirror can be mounted on any side of the main mirror to either increase angle of vision, to spot a loved one in the back seat, or to pivot to see a lower perspective. EXTRAWIDE. The main mirror is extra wide to eliminate blindspots, chrome plated to be anti-glare and shatter proof. SUN VISOR. The main mirror can also fold to work as a sun visor. ONE TOUCH. Installation is as easy as snapping on top of the existing car mirror. No tools necessary! Removable and Resusable.