- Universal Fit: Our waterproof cast protector arm cover measures 20 inches (51 cm) in length with an adjustable center hole that stretches up to 4.7 inches (12 cm) in width. Designed to fit most adult men and women, it keeps your arm dry during showers, baths, or even swimming. - Durable and Reusable: Made from medical-grade PVC material, our cast cover is both sturdy and environmentally friendly. The highly elastic silicone seal ensures a snug fit against the skin, preventing water from penetrating while protecting dressings, wounds, and injuries from moisture. - Comfortable Design: The cast protector features a soft, stretchy material that promotes blood circulation. With no retaining ring, the mouth seal allows for easy and painless application and removal. For those using a plaster cast, we recommend assistance for optimal use. - Effortless to Use: Slide the bandage protector over the cast, and the waterproof ring tightly wraps around your arm without the need for tape or straps. Achieve a secure watertight seal easily. Hang to dry after each use for convenience. Use Cases: 1. Showering: Keep your cast or bandage dry while enjoying a refreshing shower. 2. Swimming: Ideal for splashing around in the pool while keeping wounds protected. 3. Daily Activities: Safeguard your arm during everyday tasks that may expose it to moisture. Stay worry-free and protect your arm with our reliable waterproof cast protector.