Archival Methods Letter Size File Folders with Full Tab - We all know that stationery supply stores offer inexpensive file folders in every style and color. But they don't have this particular design and they're the ones you need.
Why? Take a look at commercial grade and general purpose file folders and see what kind of board stock they are made of. In truth, you usually can't tell. Some are made from recycled material.
If your documents need to be permanently filed and retained, they require archival quality file folders by Archival Methods. Is it worth the risk of putting a valuable document in a cheap folder where it can be subject to acid degradation and other contaminants?