MedVance Bordered Silicone 4" x 4" Foam Dressing, 2.7" x 2.7" Pad.MedVance Silicone Foam dressing is an absorbent self-adhering dressing consisting of a polyurethane (PU) foam pad, a soft, hypoallergenic silicone adhesive wound contact layer, and a high MVTR transparent film top layer. Easy release adhesive minimizes pain and adhesive associated skin damage on removal. High-capacity foam extends wear time and combats maceration.