These are an economical alternative to what you can do to categorize your file cabinet. A file folder for each item and every item. At the end of the year I clean out the file cabinet for the new year. Then I use new folders and put the new year on them to indicate the year (unless of course they are permanent files. Then I will use another color that is of a heavier weight.
We use many manila folders in our office. These are not the sturdiest of manila folders but they are functional and help us with organizing our files. Since they are of flimsey construction one good thing is that they are not too thick so more of them can fit in the boxes and file cabinets. They are not fancy and not very sturdy so they will not take the wear and tear of constant removal and reinsertion into the file cabinets very well but they do meet our expections for organizing documents and other materials in our office. Also since they are not too thick they take up minimal space in our off-site storage boxes. That is a plus.
I'm obsessed with the color purple and these items fit in well! Very sturdy and not cheap looking. I purchased the whole lot of Poppin' Purple Office Supplies and couldn't be happier!