I am happy overall with the foundation and cover, something that the title doesn't imply.  This is both a snap together foundation and the outer cover with legs.  It looks a little more lush in the pictures online than the actual fabric, but looks good, clean, and the gray color I selected was exactly what I wanted.  
My only difficulty in assembly was that instructions picture the foundation with legs on assembly, which I did, but then they need to be off for putting on the actual cover.  I ordered a king so I had to screw and unscrew the 9 legs not once but twice when I found that the fabric protectors needed to be added between the leg and cover.  Also have found in use that the foundation moves on a hard surface pretty easily, so having to push back into place with headboard with no place to attach together with base.  
Still, overall, I happy with an affordable option to the basic metal frame that comes with a mattress set.