The Geneva set includes 3 different kegel balls with gradual increased weights, developed to strengthen the pelvic floor muscles.Effective kegel exercises improve vaginal health, resulting in increased libido and enhanced sexual satisfaction.Each kegel ball is equipped with a silicone string to easily take out the ball after use. Start by wearing the ball with the lightest weight, 46 grams, learn how to squeeze and hold the ball inside the vagina for 2 seconds in sessions of 10 or 20. Exercise frequently and slowly increase the duration of the training to the first 5 and later 10 seconds. Change to a heavier ball, 77 grams and work your way up to the heaviest ball, 107 grams.Ball 1 Length 137 mm Diameter 36 mm Weight 46 gramsBall 2 Length 160 mm Diameter 28 mm Weight 107 gramsBall 3 Length 172 mm Diameter 32 mm Weight 77 gramsWashing: Hot soapy water and toy cleanerFlexibility: SlightFor Who: FemaleFeatures: Weighted Kegal ballsMaterial: SiliconeBrand: Rimba