The Duoderm Hydrocolloid Dressing is a sterile, square-shaped wound healing aid designed for the shoulder area. With a size of 15cm x 15cm and a pack of 10, this extra thin dressing helps to promote wound healing and care effectively. The hydrocolloid material within the dressing provides a moist environment to aid in the healing process, making it a valuable tool for first aid and healthcare purposes including eczema healing.