MedVance Bordered Silicone 7" x 9" Foam Dressing, Heel. 3.5" x 4.75" pad size.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.