Fits perfectly into my craft/workout/now guestroom. I love that it is narrow so it doesn't take up room while it's closed. It's not the easiest thing to open and close, but it's manageable. I was worried about the smell due to other's reviews, but it wasn't that bad, kept window open and diffused peppermint essential oil. Overall, really happy with this purchase. Although I haven't slept on it, I did try lying in the mattress for a minute or so. Seems comfortable, and firm. I don't think I'll need a topper.