Shackcom White Total Blackout Window Film 23.6 X 78.7inch, Static Cling Window Covering, 100% Light Blocking Glass Opaque Film, Room Darkening Window Vinyl for Privacy Day Sleep Sun Blocking

The blackout window film is specifically designed with light-proof technology to ensure that no light leaks through, provides total 100% black for night shift workers, home theaters, napping kids and more The sand textured light blocking white film can not only protect your privacy, but also very effective at controlling excess heat Retain heat in winter; keep cool in summer, energy bills will go down