DeRoyal Industries Covaderm® Plus Adhesive Barrier Wound Dressing 2" x 2", Non Adherent, Breathable The Deroyal Covaderm® Plus Composite Adhesive Wound Dressing is multi-layered composite dressing that provides ultimate wound protection, layer by layer. It maintains moist environment with protection from outside contaminants, prevents drainage strike-through and minimizes wound trauma. Ideal for many wound types and primary or secondary dressing. Multi-layered composite wound dressing. Maintains moist environment with protection from outside containments. Four layer construction: Layer 1: Protective non-adherent contact layer. Layer 2: Soft pad for drainage absorption. Layer 3: Breathable, semi-occlusive polyurethane barrier film. Layer 4: Conformable adhesive-coated fabric tape. Prevents drainage strike-through. Barrier to external contamination. Minimizes wound trauma. Provides excellent moisture vapor transmission. Ideal for many wound types. Available with radial slit for tube sites. Primary or secondary dressing.