DRESSING, WOUND CONVAFOAM BORDER ADH SIL 8X8CM (10/BX) ConvaFoamâ„¢ Border dressings are sterile, Hydrofiberâ„¢ foam wound dressings A showerproof, breathable outer polyurethane film which provides a bacterial and viral barrier A soft, multi-layered, absorbent central pad containing superabsorbent fibers, polyurethane foam and Hydrofiberâ„¢ (Sodium carboxymethylcellulose) The pad absorbs and retains moisture, exudate and bacteria A perforated silicone adhesive wound/skin contact layer to adhere the dressing to the skin