The world's first hand-blown glass Ben Wa balls with pretty interior flowers, are perfectly sized and weighted for intense internal massage and stimulation. Perfect for Kegel exercises to tighten the vagina and increase bladder control. This beautiful set comes with a elegant red silk gift box for discreet storage.  You can now get rid of your old metal balls, as these Ben Wa balls look as good as they feel.  Created from a hand blown tempered glass surrounding a delicate hand made flower. These two ultra smooth spheres are 1 inch in diameter and are always a crowd pleaser.