ACTICOAT Post-Op is an absorbent post-operative dressing consisting of the following: A Nanocrystalline silver-coated polyurethane layer, A white polyurethane foam pad, An adhesive coated waterproof polyurethane film layer. ACTICOAT Post-Op provides an effective barrier to bacterial penetration. In the presence of exudate the dressing will help maintain a moist wound environment. ACTICOAT Post-Op may be left in place over a wound for up to 7 days.