This triple pleasure ball set stimulates your pelvic floor muscles as you move forcing them to contract causing pleasurable sensations that not only tones your muscles but helps you have longer, stronger orgasms over time. Joined by a cord for ease of use and a fit that suits you. Each of the 3 balls houses a weighted inner ball that vibrates against your vaginal walls. All you need is some movement to set the balls knocking. Easy to clean and maintain. Mare from skin-safe ABS material.