Dr. Joel Kaplan Power Probe Prostate is made from pure Silicone plus ergonomically shaped probe. Do not let the small size fool you this powerful, 2-speed massagers packs quite a punch. Easy to operate with push button control cap and a non-slip grip body. Waterproof for play outside the bedroom. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials Silicone P-spot massager measures 6.75 inches long by 1.4 inches wide. Vibrating sex toy requires 1 AA battery, not included. Do not leave battery in the vibrator between uses.