The set includes 3 barbells. Beginners start with the lightest barbell at 45 grams and gradually work their way to the heavier 95 gram barbell. Kegel exercises are a proven and a recommend routine to keep the pelvic floor muscles healthy. Strong pelvic floor muscles help prevent incontinence and improve intimacy with your partner. The kegel barbells are designed to help perform kegel exercises by giving you weighted resistance and exercise feedback allowing you to track your progress. By using the weights, you know you are exercising the pelvic muscles correctly.