Waterproof. All the great features of our famous Miracle Massagernow in a compact battery operated model that's perfect for travel. Multi-speed high intensity motor. Flexible soft tip. PVC (tip) Polypropylene (handle.) 2 AA batteries. 2x 1/5 cm x 3 cm (tip)/ 7.75x 1/20 cm x 3 cm (overall.)