The ultimate in versatility. Create the ideal storage solution for the space you have available. Interlocking dovetail design stacks and connects vertically and horizontally. Add on as many as you need. Clear bins provide visibility and tilt out for easy cleaning and refilling. Can be used on counter top, mounted to wall directly, hung on mounting bar (sold separately), or underneath cabinets. Desktop Supplies Organizer Type: Multipurpose; Number of Compartments: 4; Overall Width: 4 5/8 ; Overall Depth: 4 7/8 .