The metal bars at not that thick and they just clip together. The canopy is like your average tarp thinkness and is held to the poles by bungee cords. I did not get the enclosure but wish I did as it's a separate purchase. If u live in a place that gets high strong winds. Then I would add the side pieces and stronger anchors. There's not a lot of space on the inside. So that is something to think about. I hope this is helpful."