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 to 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 improved elasticity and softness, applying minimal pressure at the seal for enhanced comfort. High-Quality & Stretchable: The seal is constructed from medical-grade silicone material and offers high elasticity, accommodating a wide range of foot sizes for men and women. Suitable for use during showering, bathing, or outdoor activities while recovering from injuries, surgeries, or accidents, and for those with medical conditions such as cuts, rashes, burns, skin issues, wounds, or scratches. Comfortable & Easy to Use: Features no bulky plastic diaphragm, reducing restriction to blood flow. The self-sealing, highly elastic opening allows for easy, pain-free application and removal. Designed to fit both slim and larger legs without risk of tearing. Improved Design: Compared to standard foot cover protectors, this waterproof foot cover is designed to avoid aggravating injuries during application or removal. It features a streamlined, user-friendly design without bulky seals and requires no additional tapes or fasteners.