Exotac tinderTin Fatwood Shavings Waterproof Survival Tin. Tin plated steel construction. Screw on lid will not pop off. Fatwood comes from pine tree stumps that contain a large amount of resin. It is recovered from the lumber industry as waste and repurposed as firestarting tinder. It lights quickly, burns hot and is wind and moisture tolerant. Weighs approximately 0.2 oz. MADE IN THE USA!