The Gel Fuel is packaged in metal cans with a replaceable lid so it can be used again if not completely burned down. Each can burns up to three hours long at over 3000 BTUs. Environmentally friendly, non toxic and safe to burn indoors or outdoors. Fuel is pure gelled alcohol that crackles when burning because of added salt to the gelled alcohol. Up to three cans may be placed in fireplace as desired.  Quanity:  One Case (24 Cans)