Product Highlights: Upgrade Silicone Seal Ring: Made of premium silicone with high elasticity, ensuring durability and a tear-free experience. The soft seal ring stretches to fit most leg sizes and casts. Completely Waterproof: Our knee surgery shower cover provides a secure watertight seal, perfect for adults recovering from surgeries, injuries, or accidents. Size Fits Most Adults: Easy to use, the cover measures 15.7" x 11" (40cm x 28cm) and fits leg circumferences from 11.8" to 22" (30cm to 56cm). Reusable & Durable: Crafted from high-quality materials, the shower protector is designed for repeated use. Simply hang it to dry after each use. Quality Assured: To ensure longevity, avoid contact with sharp objects. Our customer service is ready to assist promptly. 1 Upgraded Seal Ring: Improved for better water resistance. 2 Highly Water Resistant: Offers all-round protection. 3 Stretchable Seal and Large Size: Easy to wear, protecting wounds from infections. Options Available: Applicable for: Adult Men & Women Limb Coverage: Knee, Arm/Elbow Ring Type: Silicone, Neoprene Length: 15.7" (Knee), 11.8" (Arm/Elbow) Fit Limb Circumference: 11.8"-22" (Knee), 6.3"-14.9" (Arm/Elbow) Latex-Free: Yes, suitable for those with latex allergies.