A must for every field trip. The fire starter uses magnesium, a flame source of 5400°F (2982°C) One fire starter should provide sufficient shavings to start hundreds of fires.
Prop 65 G (Wood): The combustion of wood, charcoal, and other fuels can expose you to chemicals including carbon monoxide and soot, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
https://mtn-sports.myshopify.com/pages/prop-65-frequently-asked-questions