YOYI FASHION Women Mesh Holes Breathable Leakproof Period Panties Mulit Pack US Size XXS-4XL/11 Brief 84% Nylon, 16% Spandex, Water-Resistant Lining 82.2% Viscose, 17.8% Cotton Value Pack of 2 or 3 or 4 or 5 Assorted Colors. The quantity show in the picture which is the quantity in the package. The soft, stretchy fiber blend offers all-day comfort Inner leak-proof lining, excellent for days with menstrual cycle heavy flow, post partum bleeding or urinary incontinence It serves as extra protection from leaks. You need to add the pad/tampon. The underwear protects you if there is an overflow from the pad/tampon. Machine wash/hand wash and air dry. There is special material under the water proof lining. Don't even put them on tumble dryer. That will be damaged.