Dr. Laura Berman Intimate Basics Collection. Dr. Berman's approach to couple's therapy, as well as sexual wellness, resonates in her designs of her best selling Intimate Basics collection. Discreetly sized, soft Silicone massagers designed for external as well as internal stimulation. Soft Silicone ridges or swirls for added sensations. Easy to operate. 10 powerful functions of vibration, pulsation, and escalation. Easy push button control: hold down for 3 seconds to turn off on any function. Safe and pure for body and pleasure. Made using phthalate free, non-toxic materials Silicone massager, ABS plastic with Polyurethane PU Cote cap, ABS plastic with silver plating decorative ring. Vibrating sex toy requires 1 AA battery (not included). Do not leave battery in the vibrator between uses. Always clean before and after use. A water based lubricant is recommended.