Lelo Sila, 8 cm, Stimulators for Women, Make your solo play or couple play even more enjoyable. Lelo Sila vibrator offers lovely stimulation and an easier path to orgasm. Characteristics: contactless stimulation through sonic waves several patterns and many levels of intensity waterproof design intuitive “+” and “-” control buttons handy and storable travel companion easy maintenance How to use: Follow the instructions. Use a water-based lubricant. Clean the device with soap and water after every use.