Clear overlay give you the opportunity to create a customized front cover, back cover and spine for easy identification of contents. Flip LockŪ post mechanism allows top and bottom loading. Retractable storage hooks provide the option of storing in standard filing cabinets. Hooks pull out to hang and retract when not needed. Two vertical inside pockets for additional storage of loose documents. Capacity Range [Max]: 2"; Sheet Capacity: 650; Color(s): White.