The improved filling process makes firing up these little pocket-sized furnaces easier than ever. Fill the cup. Light the burner. And go! They provide up to 12 hours of gentle, consistent heat. And they're odorless. So the only thing that sinks is the alternative to not using them - frozen fingers. 30 year warranty.

Zippo warranty conditions: "It works or we fix it free™". Please contact the manufacturer directly for warranty claims.