It’s time to leakproof your period for up to 12 hours with Thinx for All period underwear that looks and feels just like regular underwear but is designed with built-in period protection that helps keep you fresh and dry. This period underwear features an absorbent core layer that absorbs up to 12 regular tampons’ or 3 regular pads' worth of flow, and a moisture-wicking layer that helps keep you fresh and dry. Made with breathable cotton, these Period panties let you go about your day in comfort.