X-Tra Wide Skin Barrier Arc. The X-Tra Wide Skin Barrier Arc can be placed on the skin to protect the skin around the stoma, provides a suitable surface for an ostomy wafer and/or pouch to adhere, and/or help secure an ostomy pouch or wafer on to the skin to improve wear time. Used to picture frame around the wafer for more security, the X-Tra Wide Skin Barrier Arc from SafenSimple will provide the user with significantly more adhesive reinforcement. Waterproof for bathing and swimming. The X-Tra Wide Skin Barrier Arc will help protect the seal of your pouch and wafer because they are waterproof. Made in the USA.