Many car accidents were caused due to rear-seat passengers's careless of the cars passing by behind them when open the door. To reduce such tragedy caused by accidents,this product will be a warn to rear-seat passengers and help them see the the road conditions clearly before they get off. It is a product with highly social responsbility. To avoid harmness to kids when playing,we use 100% enviromental silicone. To make it flexible enough to suit almost all cars.It is 3M tape with magnet,which will help you adjust your angle freely. In the meantime,it also can be a cosmetic mirror.
Open the box,tear 3M tape,stick to column B and adjust appropriate angle.