Perchoir Stack Cat

This product Industrial-strength EZ suction cups hold up to 50 lbs and install in seconds on glass windows or doors; remember to clean your window and suction cups monthly to ensure a tight seal (see window cleaning image), Folds up to window so blinds and drapery can function normally (if kitty lets you),Fits glass space of 27inW x 31inH or larger; each level has a super soft fleece sleeping area that is 23in x 12in, Shelf covers are removable and machine washable on this cat window hammock