Plastic wall-mounted file holders

Chances are, if you have ever been to a doctors office, dentists office or other small office environment, you’ve seen plastic wall-mounted file holders filled with an upcoming patients personal file. Such file holders can also be used in one’s home as a place for kids to put their homework in so mom or dad can check it. They also work great as a holder for bathroom reading material if so desired.
Plastic wall-mounted file holders:

Plastic wall-mounted file holders pictured:
Left: Universal 53682 3 Pocket Wall File Starter Set, Letter, Clear
Right: Officemate Unbreakable Wall File, Vertical, Clear 21674