These are outstanding. Quality. Sturdy and I assembled them easily and I DONT assemble things. I always hire or have my kids do it. There was No one around and even though I have no knowledge of tools, the directions were good and fit of manufacturing consistent. I was seriously so impressed with price plus quality, that I 4 more.  Timing the First frame  with 3  panels took me about 70 minutes. (I really don’t have a clue) After that, with the  learning curve gone, it was 15-20 minutes. 
I like how they frame it so you can only have it 4’ talk (with 2 panels) or you add on the sturdy frame extension and panel and take it to its full 6’ 4”