Memory is a subject matter that leaves much room for subjectivity and interpretation, which is why it is an easy source of conflict when discussed between people. “Box of Memories” does not take a stance on whether either of the individuals are correct, but rather focuses on the question of how shared memories affect individuals both similarly and differently.

It was important for the movie to feel timeless, which is why - instead of filming anything - each shot is animated via several 120 black and white photographs. Text was preferred to voice-over since it enabled for a more intimate atmosphere and allows for the soundscapes to be accentuated.