This photo storage box is constructed with heavy duty quality board and holds over 1,000 photos up to 4 x 6 Inch. Divider index cards and a metal identification holder are included to help with easy organization. Also, ideal for storing negatives, post cards, greeting cards, recipes, wedding keepsakes, baby memories, trading cards, collectibles, sewing notions, checks, receipts and more. Photo safe: acid and PVC free.