I have two cats, and they are the loves of my life, but they are murder on sofas. The sides and back of sofas are perfect scratching posts, so cats claw them to shreds. I have seen cat owners try to cover their sofas in Saran wrap, or other such eye sores, but it is lose-lose.
I was going through a sofa every two year, and assumed my life would be full of disposable craigslist mediocrity, until I found this campaign style sofa.
The magic of this sofa, is that all the sides are boxed in. There is nothing for my cats to scratch. Yes, they do a little damage here and there (animals!) but as the cushions wear out, I can replace them without tossing the whole couch.
Boy style sofas can be found in many different styles: