The Pretty Love Orgasmic Balls set is a combined pleasure / fitness system for the circum vaginal and pelvic floor muscles. Developed as a modular alternative to traditional 'geisha-balls', Orgasmic Balls offers the advantage of increased resistance over time. Her movement-induced subtle vibe makes for more efficient, fun and pleasurable Kegel exercising. Indeed, benefits of daily use include increased muscular control, enhanced sensation and ultra-intense orgasms. The full set contains two 30-gram beads and two 40-gram beads.