CovaView⢠IV is a thin, polyurethane film dressing with release paper (frame-style). CovaView⢠IV is waterproof, and acts as a barrier against viruses, bacteria, and outside contaminants. Its permeable semi-occlusive PU film is breathable, allowing good oxygen and moisture vapour exchange. CovaView⢠IV is designed to be applied over I.V. sites, clean skin, or wounds.