Majic Wedge Convex Wide Angle 150 Degree Rear View Car / Truck Blind Spot Mirror Attaches to Side Mirrors, 3.75"x2.5" Unique wedge shape 150-degree wide angle field of view 30 Percent more visibility than round convex mirrors Convenient stick-on application Versatile design fits most cars and trucks Mirror size: 3.75 x 2.5 and 1 on the thickest side