Classique 537 Oval Post Mastectomy Silicone Breast Form comes in a Swim ĖSn Sport silicone form with a medium weight and a flat back. The form is waterproof, symmetrical, and can be worn on right or left side. It is unaffected by chlorine or salt water.Other products from H e a l t h P r o d u c t s F o r Y o u