Satisfyer Balls C02 Double Set of 3 Assorted Colors. Kegel exerciser can help train you PC muscles. Start with the smaller Balls and move on up to the larger weights. Great for helping restore muscles used during child birth. Made from body safe, latex free and phthalate free materials Silicone. Please use water based lubricant for easier insertion. Always clean before and after use. 3 assorted colors: red, pink and blue.