Use this versatile Interlocking Marker Organizer to display your markers horizontally or upright. Flexible inner grid holds markers in place and prevents them from falling when laid horizontally. Interlocking, dovetailed sides let you connect multiple units to make room for your expansive marker collection. Organizer fits in the Deflecto Stackable Caddy Organizer (not included) to easily carry and transport multiple units.Use this versatile Interlocking Marker Organizer to display your markers horizontally or upright. Flexible inner grid holds markers in place and prevents them from falling when laid horizontally. Interlocking, dovetailed sides let you connect multiple units to make room for your expansive marker collection. Organizer fits in the Deflecto Stackable Caddy Organizer (not included) to easily carry and transport multiple units.