- PROFESSIONAL DESIGN: This membrane seal is crafted from high-quality medical-grade silicone, providing a reliable barrier that keeps plaster and bandages dry during baths, showers, or other water activities. Its tight elastic structure is tear-resistant for optimal durability. - FDA CERTIFICATION: The arm cast cover is FDA and CE approved. It is odorless and latex-free, ensuring safety and convenience for both home and hospital use during recovery from injuries, surgeries, or accidents. - COMPATIBILITY: Designed to accommodate most adult arm sizes and casts, this cast guard measures 25 inches in length and fits circumferences ranging from 2 to 6 inches. The curved, flexible design allows for comfortable movement without restriction. - SAFETY AND USABILITY: The elastic rubber flange ensures that blood circulation remains unaffected, while the cast sleeve can easily slide over arm casts. No additional tape or straps are needed, providing a hassle-free experience. - USE SCENARIOS: Ideal for post-surgery recovery, this cover enables you to shower without worry. It's also perfect for enjoying recreational activities like swimming or soaking in a tub while preserving the integrity of your cast.