PolyMem foam dressing is lightweight and non-adhesive for quick dressing changes.. It's formulated with a starch co-polymer for moisture retention and includes glycerol to regulate hydration.. PolyMem nonadhesive dressing absorbs output from the wound to keep it clean.. The nonadherence properties keep the wound bed protected.. The 8 x 24-inch PolyMem dressing expands to conform to the wound, creating a protective cover.. Each box contains two pink foam wound dressings..