Holds fifteen cubbie-trays (not included) and has sixteen removable partitions. Cubbie openings are 9" wide x 13¾" deep x 5¾" high. Stationary. Overall size is 48" wide x 15" deep x 32½" high. Add optional 7098YT "Caster Kit-C" to make this unit mobile (sold separately). Back options not available. Choose from our selection of exciting cubbie-tray colors (sold separately). Warning - "Adult Assembly Required."