Reusable Hand Warmers , Reusable Instant Handwarmers - 8 Pack! Super Bowl Special Edition Reusable Hand Warmers Just snap the metal disc to start an exothermic reaction creating heat in under 5 seconds Reusable for 500+ Uses Resusable! - Regenerate in boiling water Does not fill up our landfills like disposable hand warmers 8 Pack!