Your outdoor lifestyle demands a few fast-acting emergency supplies. Adventure Medicals QuikClot Advanced Clotting Sponge is applied directly to the wound and it quickly stops the bleeding until professional medical help arrives. These sterile, mesh, nonadherent bags are impregnated with Zeolite beads the same technology used by U.S. troops to speed coagulation, which creates a stable, blood-stopping clot. This low-heat formula will not harm skin. Sizes: 25-gram sponge 3.5L x 3.5W. 50-gram sponge 5L x 5W. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Clotting Gauze.