Magnesium rod is easily scraped off with striker,and is ignited by sparks from the flint,start fires in any weather conditions.fire Starters : Each box includes 2 Magnesium Fire Starters can be used thousands of times.Waterproof Fire Steel：Solid magnesium fuel bar with flint 3'' x1'',steel scraper3'',Fire Paracord Outdoor Survival Ropes.The red waxed flax in Paracord waterproof fire tinder can make instant fire even in heavy rain.100% Satisfaction Promise: Aofar provide 2 years limited warranty and lifetime customer support.