Your most intimate workout 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.Designed to Heighten Sensitivity. Variable Weighted Set. 100% Waterproof. Phthalate Free, Latex Free, Hypoallergenic, BPA Free, and Dioxin Free.