Globe-Weis Kraft Expansion Files, Flap with Elastic Cord Closure, 12 Monthly Pockets, January to December, Letter Size (ECD1817M) Durable Kraft construction Features one row of pre-printed monthly tabs and one row of blank tabs to customize Protective flap features elastic-cord closure to ensure security Expanding sides include Tyvek reinforced top edge Letter sized with 12 monthly pockets