WiseFire is a great fire starter. Unlike similar products, WiseFire does not contain any harmful chemicals or vapors, making it a perfect choice for people, food and the environment. Boils approximately 60 cups of water. Easy to light, burns in wind, rain, sleet or snow. Burns "green", clean alternative with no harmful chemicals. The leftover ash is a natural fertilizer for the earth. Lights the first time, no flare-ups when finished. 25 year shelf life. An ideal source of fuel for emergency preparedness and outdoor use. 1 gallon bucket boils 60 cups of water.|Pouches will boil 4 cups of water per pouch.