Build a foundation for better orgasms while having an orgasm with a pair of Duotone Orgasm Balls. Like ben-wa balls, these can be used to strengthen vaginal muscles for increased tightness and pleasure during sex. They can also function as a sex toy in their own right, vibrating you internally and externally to a full body orgasm! Experiment with all the different ways you can find pleasure with these pink marble balls, scientifically weighted for your pleasure.