Your most intimate work out trainer comes in the form of 2 sets of Kegels; one single and one double, designed to strengthen your pelvic floor muscles. Heighten your sensitivity with consistent training to increase pleasure and bladder control. Exercise and Tone Pelvic Floor Muscles.<br /><br />Designed to heighten sensitivity. Variable weighted set. 100% waterproof. Phthalate free, latex free, hypoallergenic, BPA free and Dioxin free.