Product DescriptionPatented dual-fiber technology controls bleeding through absorption at the injury site, which results in a physical aggregation of blood cells and clotting factors. Compact packaging allows for convenient storage and rapid application. Packaged in a convenient vacuum packed pouch, NuStat is available in 4 in.x 4 in. pads (pack of 2) and a Tactical Z-fold Dressing, 2 in. x 36 in.