This product arrived less than two days after ordering it!  Ok so with regards to putting it together, the pieces were labeled yes but this was not apparent until after it was put together, the numbers were very faint on the wood part of the pieces.  Usually we have seen 'stickers' on the side but when we could not see any we (well actually my husband) proceeded to put it together anyway.  It all went together very well.  This desk is very sturdy, and seems well built.  It is attractive and matches the white corner unit I already have.  Wayfair also included a separate .pdf of the instructions with its shipping email.  Very satisfied with the product and the service.  Oh and the price was the best anywhere!  I would for sure recommend this product.