We at Up Your Game Sex toys carry thirty-eight different types of Duotone Balls for inducing orgasms and kegel exercises to strengthen your pelvic floor. We have hard plastic and metal Duotone Balls on strings and some with sleeves. You can use two or just one for a different kind sensation. These are for inserting into the vagina only. Never put then in your or anyone's anus, or you'll spending an embarrassing night at the emergency hospital. These are warn all day long or on dates so you can experience the sensation they produce during all your regular movements. Try just rocking in a rocking chair with these in and you'll exercise your pelvic floor and have a mind blowing orgasm too if used properly and with the proper fit. That is why we offer starter sets so you can experiment and find your sweet spot with duo balls. Woman of all ages, especially woman going through menopause and post menopause should keep a regular pelvic exercise regiment going so everything stays in place and you remain in top love making condition. Always use your favorite lubricant (which we offer many formulas here) with Duotone Balls. After your pelvic work out, your pleasurable day of using them, or initiating a climax, you can retrieve them by use of their convenient leash they come with. So all woman will benefit from a regular use of Duotone Balls, and your male lover will be glad you did. So guys these will make a terrific present for your special someone.