I would have given it 5 stars if the metal pieces fit better. 1) I had a very hard time hammering the connector pieces due to the metal (linkage) left on the item after they were produced.  2) the hammer suggested in the directions is not sufficient enough due to the "extra" metal on the connector pieces.  I recommend a better mold to melt the metal in.
I am ordering more bins for my warehouse mainly because 1) they are very nice looking and lots of space 2) because these are the only ones on the mrket that are a) cost effective b) look like the old ikea bins