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 semi coverage fit on the hips and bum. The organic cotton fabric makes the absorbent undies soft and comfortable while the elastic waistband allows for a confident and secure wear with no shifting.