Abstract: An improved organizer for the storage space of a vehicle, comprising exterior and interior wall members defining a plurality of storage area subdivisions. Slidable dividers are mounted in hollow wall members. The dividers may be opened and closed to achieve the desired organizational configuration. Holes are provided along the top edges of the exterior wall members for the attachment of covers or straps, to enhance security and organization of items. Gripping members are provided along the bottom edges of the exterior walls to prevent unwanted movement of the organizer in the storage space.