Persilux Custom Blackout Window Shades Zebra Blinds (24" W X 72" H, Dark Grey) Dual Layer Roller Sheer Shades Light Control for Day and Night Shades for Windows and Home, Easy to I...

[MEASUREMENT]

Inside Mount

• Measure the Exact width and height of your window frame INSIDE. Order Size = Measured Size. Ex) Measured size is W 30 X H 57 inch = Order size is W 30 X H 57 inch.

Outside Mount

• Measure the height and width of the OUTER EDGE of the window FRAME and add 4 inches each to the measured Width and Height for maximum light coverage. Ex) Measured size is W 30 X H 57 inch => Order size is W 34 X H 61 inch

[If you are still not sure about measuring and choosing the size, please let us know, we will help you. Look forward to hearing from you.]