Dr. Joel Silicone Ridged P Silicone. Perfectly curved Silicone probe for ultimate contact and stimulation. 8 functions of vibration, pulsation and escalation. State of the art memory chip resumes on last function used. Easy push button controls with auto on/off button. Waterproof. Materials: Silicone massager, ABS plastic cap, ABS plastic with Silver Plating decor. Vibrator requires 2 AAA batteries, not included. Bulk weight 5 ounces. 6.25 inches by 1.5 inches.