Seal-Tight Knee Cast Protectors offer moisture protection for PICC lines, bandages, splints, wounds, post-op incisions and more. These cast protectors have effective coverage for dressings that surround the elbow, forearm, wrist, knee, ankle and other site-specific locations on arms or legs. With Seal-Tight protectors, patients are able to shower in the hospital and independently at home during treatment and recovery. These knee cast protectors are convenient to use while helping minimize the possibility of infection and easy to apply without the need for pumps, hook and loop closure straps and adhesive tapes. Made of high-performance thermoplastic elastomer that stretches easily, folds compactly and maintains a water-resistant seal.