When closed, your 4 x 6 photo is displayed and contact cards are neatly hidden away in the organizer. Simply pull it open to reveal contact cards. The top shelf offers additional display space. Includes 300 pre-printed ruled cards and 24 A-Z index tabs. Card Holder Type: Covered Tray Card File; Card Capacity: 300; For Card Size: 2 1/4 x 4; Color(s): Black.