Smith & Nephew Opsite Post-Op Transparent Waterproof Dressing with Absorbent Pad,3-3/4 x 3-3/8 (9.5cm x 8.5cm),20/Pack,66000709

Smith & Nephew Opsite Post-Op Transparent Waterproof Dressing with Absorbent Pad has the hydrophilic polyurethane film on this dressing which has Reactic properties that Switch On in the presence of moisture allowing any excess to transpire into the atmosphere.