"Reliamed Reinforced Silver Alginate/CMC Dressing 18"" rope. Controlled silver ion release provides a broad spectrum of antimicrobial protection for up to fourteen days. Absorbency and wet strength are key performance indicators. Blend of calcium alginate and carboxymethyl cellulose (CMC) provides excellent gelling and wet strength for one-piece, nontraumatic removal. Sterile, 18""."