Strengthen your pelvic floor muscles with these Frisky Pleasure Balls! Enjoy a tighter vagina and more intense orgasms. This set includes two weighted vaginal balls in different sizes. Insert the balls in the vagina and flex the pelvic floor muscles to keep the ball in place. This will train your muscles that will grow stronger by using the balls regularly. They are made of soft silicone and the cord features a diamond detail. Clean the balls after use with lukewarm water and toy cleaner. Measurements Toy with 1 ball: Length: 15 cm Width: 3.5 cm Weight: 57 gram Toy with 2 balls: Length: 20.3 cm Width: 3.2 cm Weight: 73 gram