I love this rolling shelving rack!  I bought both the 48" and the 60" and they are both an excellent choice.  The size you get depends on your needs.  The 48" is perfect for bankers boxes and whatever else you might want to store.  The size is not at all over-bearing.  Very easy to put together.... a 12 year old could do it.  It rolls well.  It stores a bunch of stuff.  It makes me happy!  :-)