Project Source 1-in Slat Width 45-in x 64-in Cordless White Vinyl Room Darkening Mini BlindsActual size is 45 in wide and 64 in long Cordless operation; raise or lower the blinds from the bottom rail Open or close slats at the twist of the attached tilt wand For inside mount, it's recommended to take 1 4 in deduction for the width of window opening to ensure the blind can fits into the window with minor gap Minimum depth requirements for inside mount is 1 in, for inside flush mount is 1 3 4 in For outside mount, it's recommended to add