I own and run a pet care business & must carry around various pieces of information daily. I use 3-8 of these in a binder and can easily add new or updated information quickly. The pockets keep me organized & compartmentalized. They're sturdy too; once I mistakenly ran over my [open] binder & tho the binder didn't survive these pockets did !
These are so convenient to use to slip in magazine articles that I tear from magazines. The transparent nature lets me see the article the colors give category options it is so easy to pull the article back out and the unit can be used alone as a file folder to store articles in a file box basket or drawer or can be popped into a 3 ring binder.