The z-pak dressing, NSN# 6410-01-527-8329, is a highly absorbent cotton wound packing that is z-folded for ease in packing wounds. The dressing is sterile and lint-free, and is vacuum-sealed in a 2mm outer pack for greater durability. Inner containment sleeve aids in dispensing and maintains product cleanliness. Package size: 4in x 3.5in x 0.30in. Dressing size: 4.5 x 4.1yd.