The Drive Booster Prostate Massager from Joy Division offers a unique shape and steady grip that delivers vibrations to your prostate for mind-blowing orgasms. Made of medical grade silicone with German manufacturing standards, the vibe is free of pollutants, plastisizers, and other harmful chemicals. The vibe features three vibration speeds controlled by an easy to use single push button control. The Booster measures approximately four-inches long with a maximum width of 1.38-inches. The included bullet is removable, waterproof and requires one AAA battery, not included.