Dropbox Inc also modifies shipping containers into DropOffice/Storage Combo unit. Measuring 8' 6" tall and 8' wide, the unit's 40' length can be configured to provide an office from 10' to 15' with a adjacent 30' to 25' storage area. These portable ground-level office units do not require steps or underpinning. A wide range of features are available with DropOffice/Storage Combination units. Typical Dropbox portable office units are fully insulated, climate controlled with HVACs and include a steel personnel door, window, vinyl tile floor, lighting and electric outlets. Don't limit yourself to a standard floor plan. Click here to contact a custom container modification specialist for some of our other modifications capabilities.