Leak-proof absorbency: 3 regular tampons= 1.5 regular pads= 4.5 pantyliners= 6 teaspoons= 25 mL This underwear features our unique leak-free technology from front crotch all the way up the back with a medium absorbency - allowing confident coverage, even to back sleepers. The machine-washable panty has a full coverage fit of the hips and bum. The inner organic cotton fabric makes the absorbent undies soft and comfortable while the nylon outer layer brings extra leak-proof protection and a classy look.  The elastic lace waistband adds a touch of sexiness to it! If you are in-between sizes, we recommend sizing up for this style.