Home / Education / For hot food at 6 hours, get a jar, not a bagEducation lunch-boxes hot food hoursFor hot food at 6 hours, get a jar, not a bagIf you want food that’s still actually hot after 6 hours, you need a vacuum-ins Search Amazon As an Amazon Associate, Work Notes may earn.Related NotesExploreExploreExplorePrevious For hot food, you want a thermos, not a lunch boxNext For hiking, soft beats hard