It installs in seconds using patented locking suction cups that attach directly to the window glass. Simply place the suction cups in the top corners, lock them into position, and secure the curtain using the Velcro.

There is no measuring, drilling, or permanent hardware required, making it perfect for renters and travel.

Yes. The Sleepout Portable uses true 100% blackout fabric, meaning no light passes through the material itself. Unlike “room darkening” curtains that still let light glow through, Sleepout fabric creates complete darkness.

For best results, install the curtain taut and use the full Velcro perimeter system to minimize light gaps around the edges.

No. The Sleepout Portable uses locking suction cups specifically engineered to stay secure. They are designed to hold firmly to glass and support the curtain throughout the night without slipping.

When properly installed on clean glass, the curtain stays in place until you are ready to remove it.

Yes. The modular design allows the Sleepout Portable to be installed vertically or horizontally to fit most window sizes.

For larger windows, multiple Portables can be layered together to achieve full coverage and total blackout.

Yes! Simply install the Sleepout Portable behind your blinds or curtains, between the them and the glass of your window to block out light.

Yes. The fabric provides thermal insulation and helps block heat from entering the room.

Sleepout also uses a white backing that helps keep rooms cooler, unlike black backings that absorb heat. This makes it especially helpful during summer months or in sunny climates.