So far it's a sturdy/solid bed frame.  It did take me a couple of hours to put together because of the screws had a tendency to not want to be tightened even with WD40 on them. I guess it may be the alignment of the holes anyway I was able to finally get the bed frame together. The side rails have strips of velcro which are also on the wood slats so installation was easy for these.  I only gave it 4 stars because of the screws being difficult to tighten.