2 Pcs Glass Material Specular Round Convex 2" Adjustable Automotive Blind Spot Mirrors Sector Convex Stick- On Rear View and Rear Glass Mirrors (Black) Helps to prevent blind spots when you are passing or changing lanes Make with Glass Material Specular,sharper than general plastic material Increased safety with wide angle view Pair of 2 ,Easy to install Versatile design fits most cars and trucks