4 Spark-Lite™ Tinder-Quik™ Current U.S. military issue, waterproof, wax impregnated cotton tinder in zip-top plastic bag, each burns 2-3 minutes The tinder is quick and easy to use, just pull it apart some to expose the finer cotton fibers and it’s ready to accept the spark. No need to waste time and effort shaving magnesium with your knife, nor do you then have to collect the small shavings, especially difficult if it’s windy. It has an unlimited storage life and doesn't need to be kept in sealed airtight packaging.