Adam and Eve Glass Ben Wa Balls. Enjoy the tease of cool sensations from the ancient secret of the Far East. The sensual and sleek Glass Ben Wa balls are a perfect balance of form and function. The glass Ben Wa Balls are two matching spheres with a flower inlay and are perfect for strengthening the vaginal muscles and intensifying orgasm. Great item to use in conjunction with your Kegel exercise routine. Comes in a storage box.