Linen Avenue Light Filtering TDBU shades allow light to pass through the fabric (these are not blackout).
For inside mount measure your window horozontally in three places; top, middle and bottom, use smallest measurement and subtract 1/4in from the width of your window measurement, and order this width.
For outside mount add 4 inches to the width of your window measurement, and order this width . This will allow for a 2 inch overlap on each side of the window.
Each 9/16 inch single cell honeycomb cordless cellular shade is child and pet safe with a smooth cordless operation that conforms with CPSC child safety guidelines.
End caps, simple snap-in brackets (that fit for both inside mount and outside mount applications), and mounting hardware is included.