KCO Blackout Roller Shade Blinds for Windows with Valance Cover, Roller Window Shade UV Protection Waterproof Fabric for Home, Bedroom, Door Windows, 21" W x 72" L, Grey

The top of the room darkening shades are covered with aluminum, which are more conducive to cleaning and provide more concise visual enjoyment.

In addition, it is easy to install and can prevent internal damage.

The roller blinds size is 21" W x 72" L and the fabric width is 1.2" narrower than total width.

The blackout roller window shades can be adjusted by chains to adapt to different lengths.

Inside mount requires at least 2.5" window frame depth and the pull down shades width should be at least 0.25" less than the window frame width.

For outside mount, you only need to choose shades that are 4" wider than the window frame.