High Elasticity Neoprene Opening Easily stretch over your leg, reduce dragging on cast or bandages when fitting and removing 100% WATERPROOF Medical grade TPU material, light, hygiene and odorless, which can keep your cast, bandage or wound totally dry. By maintaining a clean and sanitary site, the cast cover reduces potential infections and promote uninterrupted healing. Roomy and Baggy Design No retaining ring, high elasticity opening makes this waterproof cast shower cover easily pull on and off in a non-painful way. Good for slim and thick arms without worrying about cover tear up. Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition.Disclaimer: While we work to ensure that product information is correct, on occasion manufacturers may alter their ingredient lists. Actual product packaging and materials may contain more and/or different information than that shown on our Web site. We recommend that you do not solely rely on the information presented and that you always read labels, warnings, and directions before using or consuming a product. For additional information about a product, please contact the manufacturer. Content on this site is for reference purposes and is not intended to substitute for advice given by a physician, pharmacist, or other licensed health-care professional. You should not use this information as self-diagnosis or for treating a health problem or disease. Contact your health-care provider immediately if you suspect that you have a medical problem. Information and statements regarding dietary supplements have not been evaluated by the Food and Drug Administration and are not intended to diagnose, treat, cure, or prevent any disease or health condition. Amazon.com assumes no liability for inaccuracies or misstatements about products.