This is the second ultra zinc unit we have purchased - a larger one for the pantry and this for the laundry room.  They provide extremely sturdy storage with items remaining visible from all sides.  The ability to move shelves up or down in one inch increments adds flexibility to design to your exact needs.  You can also order extra shelves (as we did in the pantry and voila - more storage.  We left the wheels in place (and locked) rather that attaching the permanent feet.  This allows to easily move even the fully loaded unit for cleaning and other purposes.   Have not had either long enough to determine how the finish holds up, but from what we read the ultra zinc is particularly durable.   Excellent storage unit for very reasonable price.