Easy to Put on and Off: No retaining ring, soft and snug material allows this waterproof foot cast cover to be easily pulled on and off without causing discomfort, helping maintain blood circulation. Adult Size: Fits foot and ankle circumferences between 12" to 20" (30.5 to 51 cm). Soft and Comfortable Watertight Seal: The watertight seal is made of neoprene composite elastic fabric with enhanced elasticity and softness, applying minimal pressure at the seal for increased comfort. High-Quality & Stretchable: The seal ring is made from medical-grade silicone material and stretches easily to accommodate most foot sizes for men and women. Suitable for use during showering, bathing, or outdoor activities while recovering from injuries, surgeries, accidents, or medical conditions such as cuts, rashes, burns, skin issues, wounds, and scratches. Comfortable & Easy to Use: No bulky plastic diaphragm, designed to minimize restriction of blood flow. The self-sealing, highly elastic opening allows for easy, pain-free application and removal. Fits both slim and larger legs without risk of tearing. Improved Design: Compared to other foot cover protectors, this foot shower cover helps prevent aggravation of injuries during application or removal. Features a streamlined design without bulky seals and does not restrict circulation. No additional tapes or fasteners required.