It works. When I first opened it, it had an odor. I left it out in the garage and sprayed it with lavender spray. In a couple of days, the smell was gone. I had hoped that it would provide privacy as well as block the AC sound. It does provide privacy, not sure that it blocks the sound, but the windows are old. Knowing what I know now, I would buy it again. Though it seems to be quite sturdy, I have it behind a bookcase so it can't be knocked over and fall.