Designed to stop bleeding fast from wounds or lacerations, this Sawyer ChitoSAM Chitosan Hemostatic Dressing produced by Sam Medical for Sawyer Products is extremely effective and safe, plus it can be broken down and digested by the body. The large 3 inch x 6 foot bandage can be cut to size as needed. Unlike most hemostatic dressings, Chitosan is made of non woven, 100% pure chitosan. Independent tests have shown the Chitosan Hemostatic Dressing performs up to 25% better than a leading chitosan gauze. With this increased efficacy, you can use less gauze to achieve the same hemostatic result. Additionally, the unique tear anywhere packaging allows quick access to the product for fast application. Chitosan is well documented as an antimicrobial agent against fungi, bacteria, and viruses including MRSA methicillin resistant staphylococcus aureus, VRE vancomycin resistant enterococci, S.aureus staphylococcus aureus, and E.coli Escherichia coli. This bandage contains no nanoparticles or any particles. Since 1984, Sawyer Products has offered the best, most technologically advanced solutions for protection against sun, bugs, water injuries everything from first aid kits developed for wilderness use to topical insect repellents that use time released liposome technology.