Glass Ben Wa Balls. Insert these elegant, hand-blown glass pleasure balls into your vagina and stay stimulated all day long! Designed especially for Adam & Eve, they're 1" in diameter, with delicate handmade flowers embedded in the smooth glass spheres. They also exercise your vaginal muscles, resulting in more control during sex and stronger orgasms. So discreet, no one will know you're wearing them! A great gift item, too! Comes with velvet storage case.