The Freedom-Guard ATX is the most durable Stomaplex guard. The outside surface is covered in FDA approved rubber with same FDA approved rubber for an inside pad. This combination creates the most durable and longest lasting guard available. Stomaplex belt recommends this for anyone who is interested in a guard that is easiest to clean as it is non-absorbent. The Freedom-Guard ATX is the best for ostomy sports and athletics. The non-absorbant construction makes it an ideal belt for swimming.