These patent-pending industrial-grade suction cups will always stay up until you decide to take them down.

They can hold the Sleepout Curtain either vertically or horizontally. The suction cups are designed with a sloped shape to eliminate light bleeds from the top of the curtain, and won’t damage your windows. I

nstalling on an extra wide window, bay window, or a sliding window with a middle windowpane? We recommend purchasing some extra suction cups to help create total darkness!