Feel protected from leaks with Thinx for All Period Underwear - Size Small in Black. Offering the ability to hold up to 12 regular tampons worth of fluid, Thinx for All Period Underwear is washable and reusable so you can ditch your other period products. That's right, Thinx for All Period Underwear is all you need. Of course, if you feel more comfortable using Thinx as a backup for your other menstrual products, that's okay, too! Thinx for All Period Underwear also helps to control odour, while the moisture-wicking fabric keeps you dry | Thinx for All Period Underwear - Small