SilverDerm 7 Antimicrobial Wound Contact Silver Dressing provides broad spectrum antimicrobial activity by releasing silver ions within 30 minutes. SilverDerm 7 is a non-adherent and porous wound contact layer that allows wound exudate to pass through to an absorbent dressing. The silver wound dressing has a 7-day wear time. It reduces pain and trauma associated with dressing changes. Assists with autolysis of necrotic wounds. Hypoallergenic and latex free.