Auto Drive Universal Fit Side Window Repeat Using Black PVC Static Cling Sun Shade 1 Pack, 12" x 16". This sunshade is applicable for installing on side windows only. It aims to block the outside heating sunlights and harmful UV rays get into the car interior that may causing damage to the seats, also with this black sunshade on side window, it creates lots of shadow for passengers, and avoid of car interior temperture heating up. This kind of Static PVC sunshade, it is in two layers for repeating use. Tearing off the support layer, and make sure the window cleaned well, then stick the PVC layer toward the windows and remove bubbles if there is any, after these process the sunshade starts its roles. The best benefit of this PVC sunshade is that it support repeating use, in case you want to change another one, you can tear it off from window and store it ready for the next time using. Road trip is our common leisure schedule, with such a valuable repeating use side window sunshade, will bring you more easy journey on the trip especially with kids in summer days!  Why not to have one right away!