California Proposition 65: Warning: This product can expose you to wood dust, the inhalation of which is known to the State of California to cause cancer. Burning wood results in emissions that can expose you to chemicals including carbon monoxide, soot, smoke and other combustion by-products, which are known to the State of California to cause cancer, birth defects or other reproductive harm, and/or other adverse health effects. For more information go to www.P65Warnings.ca.gov., Caution: Always open fireplace damper before starting a fire, ensure adequate air supply at all times. Always use a metal, mesh screen in front of you fireplace. Leave glass doors open while burning a fire unless fireplace manufacturers' instructions indicate otherwise. Store the remaining fatwood stick in a cool dry place away from fire or open flames. Never cook over burning sticks (Let them burn first)., Warning: Extremely flammable wood. Keep out of reach of children.