a decorative window curtain covering comprising a combination of semi opaque or opaque material and translucent or transparent material for the achievement of a variety of different decorative and translucency effects . the combination of the material arranged of a series of parallel regularly spaced louvers of semi opaque or opaque material and back wall sections of transparent or translucent material , said louvers extended vertically and being pivotally mounted to a conventional horizontal track used for vertical blinds , so that when the curtain is open forms a continuous assembly of alternatingly semi opaque or opaque louvers and transparent or translucent curtain wall sections . which permitting the transmission of light through the curtain wall sections to the room , and when the curtain is closed the louvers which are made of opaque fabric overlap each other and substantially block the transmission of light through to the room , or when the louvers are made of semi opaque fabric it will decrease the transmission of light through the room .