I ordered this because I have a new puppy that couldn't resist the kitty box temptation and it was a great solution.  It beautifully hides the catbox while at the same time doesn't suffocate or squish my 10lb cat.  I do use the larger litter pan, which fits just fine.  I just elimated the second inside entrance (and my kitty doesn't have to navigate through two entrances). Assembly was so easy! I had no problem at all, the instructions were easy to follow.  It is an attractive piece of furniture vs. a plastic litter box cover, my kitty likes it, the puppy problem is solved... all is good!!!