Portable Blackout Curtains, (40" x 57") Blackout Shades, 100% Portable Blackout Blinds for Any Window with 15 Pair Hook & Loop Tabs Stick-on, Temporary Blackout Shades for Baby/Travelers/Bedroom. The light and thin material does not have to worry about falling off even if you stick a whole temporary blackout curtains to a large window.
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