Very nice, thick and sturdy.  The size is perfect - I had needed more room to work on and this offers a lot of space.  The shelves are also a really good size.  Only complaint (and reason for 4 instead of 5 stars) is that when putting it together, none of the pre-drilled holes were deep enough for the provided screws.  I usually don't have any trouble putting furniture like this together, but we had to go back and re-drill all the holes in order to tighten the screws all the way.  Other than that, assembly was straight forward, and I'm really pleased with the final product.