This is a perfect solution for my "getting organized' resolution. I just put the unfolded units near the wall and when I'm ready to start I set one up and get going. Perfect. No excuses that I don't have a box.
I buy these boxes to sort out materials. Not so expensive that I can let friends "take the box". Sometimes I think they take the stuff just to get my box.
I rely on these for business and personal use all old financial records that need to be kept (and kept out of the way!) old correspondance files from work that I may have to access later. It gives me a sense of security to know that I can fille and label these and that I can access records I need seldom without having them intrusdre on my living space.