Home / Education / Your lunch box needs a 6×3.5-inch footprintEducation 6-3-5-inch lunch-boxes lunch boxYour lunch box needs a 6×3.5-inch footprintYour lunch box should match the footprint of a standard paper lunch bag—about 6 inches by Search Amazon As an Amazon Associate, Work Notes may earn.Related NotesExploreExploreExplorePrevious Your lunch box needs a daily wash, not a weekly wipeNext Your lunch box layout isn't the problem. The container is.