This is a very useful product for ladies during their periods. This napkin has 8 layers of protection which absorbs liquid quickly and prevents reverse seepage. It is comfortable and easy to use as it has a cotton surface. It comes in a combo of 19 packs, night flow of 18 packs and panty liners of 16 packs. Additional Details ------------------------------ Product description: Sanitary Napkin with ion strips that removes odor and relieves discomfort during your menstrual period With a cotton surface, the napkin is soft, comfortable and close fitting. It absorbs fluid quickly and prevents reverse seepage. The bottom layer, made of breathable materials, prevents leakage and it’s highly breathable. The pad has 8 layers of protection Combo box- 19 packs Night flow box- 18 packs Panty Liners box- 16 packs 1 pack of mini pads contains 18 mini pads