SMITH & NEPHEW OPSITE TRANSPARENT ADHESIVE FILM DRESSINGS - Film Dressing, 5" x 4", 50/pkg, 4 pkg/cs | Quantity - 1x CSTransparent polyurethane membrane which creates a moist environment by trapping the wound exudate. Because the dressing is waterproof, and aids in the prevention of bacterial contamination, it reduces the risk of infection from airborne bacteria. Film Dressing, 5" x 4", 50 pkg, 4 pkg cs Stock Item