PETROLATUM GAUZE – 3″ x 18″ NAR ZZ-0050 US MILITARY IFAK MEDIC ARMY RANGERS USAOSHA ANSI NSN#:6510-01-532-4289 Same stuff issued in multiple military medical kit… As long as you keep the packaging intact, they will last a 10+ years. Features 3″ x 18″ condensed strip of fine mesh gauze impregnated with white petrolatum. Ideal for providing an occlusive seal to…