Suitable for outdoor camping, using magnesium alloy fire-fighting materials ( special treatment, good stability ), with the friction of the side of the metal sheet, it can instantly emit high-temperature and high-brightness sparks, 5000 - 12000 times of ignition Mini butterfly shape, light weight, space-saving and easy to carry Made from magnesium and metal, fireproof, water-resistant, shatterproof Start fire easily and quickly with just some spark Applicable at anywhere, anytime and any condition, including moist weather or low temperature High quality, can be used for twenty thousands of times Hold the bottom edge of the magnesium rod against the ground and scrape some of the magnesium chips on the rod with a blade.