Buy Barrier Island Dressings, composite dressing, and other advanced wound care supplies online from US Casehouse. Stock up on primary or secondary bordered non-adherent gauze composite dressing with film backing that protects from outside contamination. Composite wound dressings provide an effective water barrier to permit patient showering/bathing. These wound dressings offer the convenience of an all-in-one dressing by combining an absorbent non-adherent central pad surrounded by a breathable adhesive border, in addition to a polyurethane film barrier. Sterile and single use.