KERLIX AMD GAUZE ROLL contains PHMB (Polyhexamethylene Biguanide), an antimicrobial component proven to resist bacterial colonization within the dressing and reduce bacterial penetration through the dressing. Provides broad-spectrum protection against gram-negative, gram-positive and fungi/yeast microorganisms. For use on most wounds susceptible to infection. Has excellent wicking and absorption capabilities. Unique crinkle-weave design helps facilitate mechanical debridement. Sterile, 6-ply.