Massage Stick- Screw Thread Shape has seven different functions. To be specific, there are seven types of vibration modes that would give users varying sensations. Made of premium quality ABS material, it is quite durable and safe to play. Moreover, it is quite easy to clean and maintain as well. The vibration mode is silent and hence there will be no noise when the gadget is in use. Featuring a screw thread shape, it is completely waterproof and powered by two AAA batteries. Purple in color, it looks quite stylish and trendy as well.