Train your pelvic floorKegel balls for better orgasmsWeighted balls inside move when you do making your muscles workCan also help prevent incontinence and with recovery from childbirthTapered for easy insertionTwo-ball design engages more of your musclesDimensions16 8 cm and Ø 3 2-3 6 cmWeight74 gMaterialsBody-safe materials non-porous and hypoallergenic