To help keep your photos organized and keep them neatly arranged in your photo boxes we stock the following: • Photo Storage Box DIVIDER CARDS to alphabetize or categorize your photographs in our Photo Boxes with the lid on. All dividers have a 1/2" tab for writing on (included in 2nd dimension given). They are sturdy dividers Made from .030" thick polystyrene. • Photo Storage Box SPACERStokeep your photos upright as the box fills with photos. Just fold the spacers on the pre-scored lines.