Smith and Nephew Acticoat 7 Day dressing is an effective antimicrobial barrier that rapidly kills a broad spectrum of bacteria with its nanocrystalline coating. The Dressing Consists of three layers: an absorbent inner layer and two outer players with the antimicrobial silver polyethylene net. The Acticoat 7 Day Dressing helps to prevent Infections, is less painful than most dressings, and helps maintain a moist wound environment.