The Remote Control Waterproof Venus Butterfly is made of high grade Silicone. The butterfly arouser is attached to a comfortable harness. The harness is fully adjustable to fit most waist sizes. A 2.25" 1.25" removable remote egg fits into the butterfly and is controlled by the Rubber-Cote remote control. The controller has seven functions of vibration, pulsation, and escalation. With a fifteen-foot range, your lover can send you soaring without touching you. Requires six watch size batteries and one 12V battery, two sets of each are included for your convenience.