McKesson Foam Dressing 4 X 4 Inch Without Border Film Backing Nonadhesive Square Sterile (1138304_CS) 100/CSUse the hydrocellular foam dressing pads for convenience and efficiency while dressing wounds. Works well when covered with a secondary dressing; the pads are designed to absorb medium to heavy fluid discharge . White dressing lacks a border to enhance comfort around the sensitive wound site . Nonadhesive without border foam dressing is 4 x 4 inches; size can cover small abrasions and wounds.