Persilux Free-Stop Cordless Roller Shades Bluish Grey 66″W x 72″H
Manufacturer Persilux. 【How to choose a correct size to fit?. 】INSIDE MOUNT: window width is blind width, window height is blind height. Blind Width=23"; Blind Height=72". OUTSIDE MOUNT: Plus at least 4" is blind width, plus at least 4" is blind height.
Cordless Roller Window Shades,100% Black Out Shade for 23″W x 72″H White
HOW TO CHOOSE THE SIZE:For example, if your window is 23“ wide and less than 72” high; Inside Installation: blackout shades Width = 23“; blackout shades Height = 72”. Outside Installation: blackout shades Width = 23“ + 4” = 27“; blackout shades Height = 72”.