Just simple 3 steps, peel off the protective film and stick on rear view mirrors and adjust to the right angle. Enhance Rear View]: The 360 degree rotate convex blind spot mirror provide you wider angle back view to prevent collision with car and pedestrian when changing lane and reversing. It can improve your driving skill immediately. [Easy to Install]: Our product is self-adhesive, installation no extra tool needed. Just simple 3 steps, peel off the protective film and stick on rear view... Fiat 500 Accessories Car Accessories Blind Spot Car Mirror, Long Framed HD Glass And ABS Housing Convex Wide Car Dashboard Accessories Blind Spot Mirrors It can improve your driving skill immediately. 【High Quality Material】: High quality glue make sure the mirrors stay in place during a car-wash. 【360 Degree Rotate】: Our blind spot mirrors come with adjustable swivel mounting bracket, which let you adjust the blind spot mirror to the position that you feel comfortable to maximize your rear view. 【Enhance Rear View】: The 360 degree rotate convex blind spot mirror provide you wider angle back view to prevent collision with car and pedestrian when changing lane and reversing. Enhance Rear View]: The 360 degree rotate convex blind spot mirror provide you wider angle back view to prevent collision with car and pedestrian when changing lane and reversing Why would you need a blind spot mirror? A blind spot can provide you wider rear view, to get better visibility in order to prevent collision with pedestrians and cars, which also improve your parking skill immediately. -Remove the protective film and place on side mirror, genteelly press the blind spot mirror with pressure for 30 seconds. Fan Shape Blind Spot Car Mirror - 2 Frameless HD Glass It can be use right after installation.