This everyday bikini provides invisible protection and is made with breathable microfiber to eliminate panty lines. It features an invisible leak-resistant lining that keeps you dry and fresh with protection for up to one light tampon or panty liner of liquid. Holds up to 1 light tampon or panty liner's worth of liquid Outer shell is 75% nylon, 25% spandex Middle layer is 100% cotton Gusset is 95% cotton, 5% spandex Machine wash, dry flat Imported