PolyMem Urethane Adhesive Dressings are ideal for numerous wound care needs. The ultra-thin adhesive coated urethane film, together with the PolyMem membrane, will provide a breathable yet tough, protective, waterproof dressing of unsurpassed versatility. No tape or secondary dressing is required. The exclusive, patented tab system on PolyMem urethane island dressings allows easy application while maintaining sterility of the membrane.