Venus balls You2Toys Twin Balls are made of quality ABS and TPR plastic without phthalates. They are very pleasant to the touch and very attractive to the eye. The balls are finished with a loop for easy handling, especially when removing.
Venus's balls have another smaller moving ball inside, which during your movement hits the wall of a large ball and thanks to that it forces you to close the pelvic floor, which you strengthen.
Doctors recommend venus balls to women who have problems with incontinence.