KERLIX™ AMD™ Rolls are impregnated with PHMB (polyhexamethylene biguanide), a powerful yet safe antiseptic that has a broad range effectiveness against gram-positive and gram-negative microorganisms including some multi-drug resistant strains such as MRSA. In addition to antimicrobial capabilities, Rolls provide fast-wicking action, superior aeration, and excellent absorbency. Size: 4.5" x 4.1 yards