Waterproof Crystalessence Vibrating Penis is a powerful 6.5 inches multiple speed vibrating and gyrating sex toy. Detailed penis made of soft jelly. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials Thermoplastic Rubber TPR shaft, ABS plastic base. Vibrator requires 2 AA batteries, not included. Do not leave batteries in the vibrator between uses. A water based lubricant is recommended. Always clean before and after use.