Stack-on storage adds overhead storage to L-shaped workstations formed from credenzas or returns in the HON 10700 Series Laminate Wood Desk Collection. That collection offers an upscale contemporary design, elegant lines, stylish accent details, durable laminate surfaces & quality construction. Premium, multilayer, high-pressure, Mahogany laminate surface resists water, scratches & most solvents. Hardwood accent trim is produced using a multistep finishing process & adds an elegant touch appropriate for upper-management offices. Inside storage includes two 34-3/4" wide x 12-7/8" deep x 12" high compartments. Stack-on storage is also equipped with self-closing, adjustable hinged doors & valance to hide a task light (sold separately). Clearance between storage & your worksurface is 19-3/4". Attach to the desk, peninsula or corner unit via double-sided tape & to the return through the grommet hole.