All gain, no pain. 

LoveLife Flex Kegel Balls from OhMiBod are designed to help you exercise your kegel muscles for increased control and more powerful orgasms. These little heart-shaped weights fit comfortably inside you and work with your body to boost bladder control and pelvic floor strength. Flex balls are perfect to use post-partum, during menopause, or to improve tone and sexual pleasure at any age. 

Each package contains a set of 3 silky-smooth silicone weights of varying sizes for graduated strength training. Flex balls are sized to accommodate both beginners and experts, and are splash-proof for shower use and easy cleaning. 1 year warranty.

What's Included: Satin privacy pouch
Sizing: Beginner: 1.2 oz. & 1.4 inches. Intermediate: 1.6 oz. & 1.1 inches. Expert: 3 oz. & 1.1 inches
Materials: Body-Safe Silicone