Light Blocking: This window curtains can block different levels of light, depending on the color of the curtains. They can block 80% to 60% of the light (Dark color works better on blocking light), even white curtains can block 50% of the light.
No-Drill Honeycomb Blackout Shades for Half Circle Windows, 48″x24″, White
【No-Drill Blackout Blinds】 Our honeycomb blinds can also be used in conjunction with sun visors or independently. Not only does it eliminate the worry of drilling and damaging your windows and wall structures, but it is also easy to install and use.