Ready to upgrade your period? FLUX Undies has you covered. This period-proof underwear features a built-in moisture-wicking, absorbent, and leak-proof panel that locks in liquid and keeps you feeling fresh ’n' dry for up to 12 hours (depending on your flow). Designed to hold up to 4 regular tampons’ worth, FLUX Undies are a reusable & washable alternative to disposable pads and tampons. Classic Bikini offers full coverage without the bulk, with a soft lace waistband that adds frill to function. Hypoallergenic with natural antibacterial properties.