This anal vibrator is made of body safe silicone, has a slightly bended and beaded shape. The stimulator is ideal for prostate stimulation. If you have never experienced a P-spot orgasm, you should definitely try this P-Spot Caterpillar. It has a powerful motor that offers 10 different vibration functions.Press and hold the power button for 3 seconds to turn the unit on/off. Press the function button to switch programs.