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. Material: Silicone (massager) ABS (cap) ABS with Silver Plating (decor). Requires 2 AAA batteries (not included). Measurements: 6.25" x 1.5".