Use Coghlan's Camp Heat for heating, cooking or keeping food warm in camp or at home. They are also quite handy in case of emergencies, and store well. Each can contains 6.4 ounces of diethylene glycol and will burn for about 4 hours. They are odorless and non-toxic.Specifications and Features:Coghlan's 0450Approximately 4 hours burn time per can6.4 oz diethylene glycolTwo cans