HeliPlug 3/8" x 3/4" Absorbable Collagen Wound Dressing, 10/Box. Individually packaged. Hemostatic collagen material derived from bovine tendon. Best used on moist or bleeding extraction biopsy sites to stabilized blood clot can help protect the surface of the wound from further injury. Typically reabsorbed by the body within 2 to 4 weeks after placement.