Put In Work and enjoy more intense orgasms and stronger pelvic floor muscles. This set of 4 Kegel balls strengthens and firms, giving you a tighter sensation and stronger orgasms. Each egg-shaped weight is made of steel and coated with velvety silicone. Each weight is color-coded in beautiful shades of pink, from light pink (lightest weight) to bright pink (heaviest weight), so you can track your progress. Clean with lukewarm water and a toycleaner after use.