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 soft organic cotton fabric makes this reusable undies very stretchy and comfortable while the elastic lace all around adds some sexiness to it.