A woven geometric design and energy saving properties make the Benson blackout window curtains an easy choice for your home. Chenille yarns are used to weave this tonal geometric pattern. Sun Zero Blackout Curtains keep out heat and cold. Grommet top slides along your decorative curtain rod for easy styling. Blackout or opaque panels virtually block all light. This type of panel doesn’t allow any light to come through; A lamp has to be turned on to see inside a room when closed. This type of panel gives complete privacy. The darker the color the better the light reducing capabilities.