Bioviva is an individually packaged, sterile, soluble, cellulose-based, bacteriostatic hemostatic gauze dressing made from oxidized, regenerated cellulose derived from plants. (Gelfoam Comparable) Bioviva absorbs blood and immediately transforms into a viscous gel, sealing the extraction site, filling wound voids, seals capillary ends and activating the clotting system to assist the body to stop bleeding.- Bioviva Hemostatic Gauze (Gelfoam Comparable), 20/bx (Dual Dressing Per Each Blister Pack) (US Only, Excluding IN and ND) Stock Item