Nu-Derm Thin Hydrocolloid DressingsSterile hydrocolloid wound dressings designed to maintain a moist wound environment Material interacts with wound exudate to form a soft gel Due to the matrix formulation of the hydrocolloid material, most of the gel is removed together with the dressing, resulting in little or no damage to the newly formed tissue Border Hydrocolloid Dressing, Sacrum, Sterile, 6" x 7", 20 per case Nu Derm Hydrocolloid Dressing, Thin, Sterile, 4" x 4 ", 100 per case