Silver Charcoal Dressing 3M™ Actisorb™ Silver 220 4-1/8 X 7-1/2 Inch Rectangle Sterile3M Actisorb Silver 220 Antimicrobial Binding Dressing is an activated charcoal dressing with silver, enclosed in a non adherent nylon sleeve Traps odor while providing an effective barrier to bacterial penetration, which may help reduce infection Activated charcoal binds bacteria and toxins in the dressing Silver kills the bacteria in the dressing 10 per box, 5 boxes per case