Silver Foam Dressing Simpurity™ 4 X 5 Inch Rectangle SterileA silver ion containing polyurethane foam dressing that protects wounds from bacterial penetration while reducing the bioburden in a wound bed It mainly consists of hydrophilic polyurethane foam substrate and silver compound It is indicated for the management of moderate to heavy exudate for chronic and acute wounds and helps maintain a moist healing environment 12 per box, 16 boxes per case