Real house keys from homes we've lived in have a special place now on the box that holds our "The House We Call Home" album collection. Shown in the container is one of the albums which holds pictures of the apartments we lived in for the first three years of marriage. Other albums are for each of the homes we;ve lived in. SEI Preservation Albums and their page protectors can be trimmed down to fit into the lunch box. If you want to change the color of the interior, spray paint it.