This Fibs box is a reproduction of a WWII era box of tampons. The box is empty.
The wording on the box says: Fibs Sanitary protection for the waning days of the period, Sponsored by the Makers of Kotex.
During WWII, Women had many forms of sanitary protection for their monthly cycle, including tampons. Fibs, sponsored by the makers of Kotex, was one of the more popular ones.