BKSAI Blackout Window Cover No Drill Cuttable 30x38in inch 100% Black Out Windows Film Room Darkening Shades Traceless Removeable — Open-Box, 11% Off

Let zero light in - Black out blinds for window blocks all the light from outside, enjoy a comfortable pitch-black sleeping atmosphere even during the daytime. Window blackout cover ideal for night shift workers, newborns, light sleeper.

Flexibel Control of Light Exposure - Magnetic install make remove and reinstall of blackout shades less than 1 minute. Just put window darkening cover up before bed and take room darkening shades down in the morning to allow for natural light. For both permanent and temporary use in house.

Cool the hot summer - DIY Black out window cover significantly reduce sun exposure, keep the room at a comfortable temperature, and helped reduce cooling cost in a busy city.

Heavy duty magnets hold the weight of black-out window film, no need to get upon ladder everyday to put them back up. And the adhesive backing is traceless for easily removing without damage paint. Friendly for renters and travellers.

Versatile room darkening blinds for any type of windows - easy to trim to fit different window sizes and shapes.Just cut the blackout screen for window 1inch larger on each side to ensure complete cover on the edges, then room darkening curtain lets in no light around the side of the windows. For bedroom, school, bathroom, for french door, sliding glass door.

BKSAI Magnetic Window Blackout Shades for Windows Bedroom No Drill Blackout Curtain Window Blinds Sun Blocking for Home Living Room Travel