The G-vibe G Jack 2 features 6-functions and made from a new Bioskin material (The closest thing to human skin). The powerful motor has changeable intensity from light tremors to intense vibration. The G Jack 2 vibrator has a realistically shaped head that is 1.45 inches wide . The shaft has a unique swirling corkscrew pattern just like a real penis does from 1.54 inches to 1.75 inches at the base of the 5.25 inch of insertble shaft. 100% waterproof.