Portable accordion file organizer, top and bottom both expandable, 12 pockets and multi-colored tabs, for letter/A4 size LARGE CAPACITY - 12 pockets, organising all in one place, expand and shrink with growing files flexibly. Closed bottom makes papers stay in the proper slot QUICK ACCESS - Bright colorful tabs with monthly labels, just take a glance and locate. The tabs is clear and easy to read, not obscured by files PERFECT EXPANSION - Flexible lid is scored smartly and the eleastic band closure was divided into two loops, accommodate a large expansion