INNSERY underwear is an excellent choice for keeping your daughter comfortable during her menstrual cycle. They are made from a blend of cotton and spandex, which provides comfort, stretch, and makes them fully machine washable. They are also absorbent, with four layers of protection, including a cotton crotch, absorbent layer, waterproof layer, and main fabric. Additionally, you can choose from nine different colors, including prints, brights, and basics.