Features:High-definition gla blind spot rearview mirror auxiliary mirror, easy to install, waterproof and rainproof, not easy to fall off.Automobile adjustable blind spot mirror for clear side high-definition gla wing rear view exterior.The wide-angle viewing angle will maximize your car's rearview mirror to avoid any accidents or collisions when you change lanes to ensure driving safety.Our convex blind spot mirror has the latest upgrade of 360 rotation, maximizing your field of view with a wide angle while you are driving.It is suitable to install on most car.Specification:100% New & High QualityColor: Black, White, SilverMaterial:Zinc Alloy + GlaSize: Mirror Diameter:5cm, Peripheral Diameter:5.5cm,Error about 1cm.Conversion: 1inch=2.54cm, 1cm=0.393inchPackage includes:A pair of car blind spot mirrorsKindly Tip :1. Please be reminded that due lighting effects, monitor's brightne/contrast settings etc, there could be some slight differencesin the colour tone of the website's photo and the actual item.2. Item Measure by hand, it could be 1-3cm different, your kind understanding will be much appreciated.