When I find binders at thrift stores, I pick them up. I find that putting the clear pages in that I have split the long way and sealed with tape over the tops, makes a nice filing system. Inside the filing cabinet, I simply bulldog clip the binder to the slats that I have taken from hanging files I can't use anymore. Then, I put the like documents...recipes, crafts, insurance papers, etc. inside the binder. It slides inside just like the hanging files do, and last a llllooootttt longer!