Do you want to train your pelvic floor muscles? Then these love balls are the perfect choice for you! The balls are made of metal and the string is made of flexible silicone. By using the balls regularly, your pelvic floor muscles will become stronger. This makes your vagina tighter and provides more stimulation during sex. The balls are quite heavy and are therefore suitable for more experienced users. The balls are easy to clean after use with water and toy cleaner.