Secret tampons, U.S.A., 1930s-1940s?, at the Museum of Menstruation and Women's Health
How Climate Change Is Making Tampons (and Lots of Other Stuff) More Expensive - The New York Times
Amazon.com | Binocktails Secret Tampon Flask Set, Includes 5 Pcs 1 Oz. Tube Flasks and 10 Reusable Self Adhering Wrappers, Flasks for Girls, Great Secret Flask for Women: Flasks