Vibro Panty Black 10 Function Remote Control Vibrating Bikini Underwear features: 10 function remote control. One size fits most. Waterproof vibrations for play outside the bedroom. Safe for most skin types. Phthalates free. RoHS Compliant. Materials: Panties 95% Cotton, 5% Lycra, Bullet and Remote Control ABS plastic. Vibrating Bullet measures 2.5 inches long with a diameter of 2.625 inches around. Battery operated. Batteries included. Remote control requires 1 27A, Bullet vibrator requires 3 LR44. Vibro Panty from Nasstoys of New York. The Ultimate Love Toy Company.