These are nice chairs. I would not call them restaurant level sturdy, but they are pretty stout. I bought cast aluminum because I live in the PNW and did not want any more plastic chairs that don't last, or steel chairs that will rust in the rain and stain my patio surface, or wood chairs I have to refinish annually. Also, as they wear, I can just go buy a few cans of bronze hammerite type paint and refinish them in the long term. I'll get several years out of the thick powder coated bronze finish these came with. They look great and my wife and I really like the extra flair these have with the floral like pattern work mixed in with the weave look. Nice touch.Super easy to assemble. They are a little rocky from the four legs because aluminum is so stiff, but the leveling legs seem to do the job. We have a stamped concrete patio, so it's not exactly a flat reference. I do suggest some blue loc tite on the leveling legs. Dragging them around without it getting annoying tinny noise is nice. Yes, to be fair, I'm a bit OCD on things like this. Once these don't rattle, moving them around on concrete sounds solid like a restaurant grade chair.Next will be our cast aluminum table from the same provider. It's not here yet, but if it's as good as these chairs, I'll be drafting another happy customer review in a week or so. We find the Christopher Knight products to be exceptional for their price point. We just couldn't find the full table chair/table style set we wanted. We liked the chairs or the table, but never both. So we bought these chairs and found a very similar table. Our pricing is coming in at least 10-50% less than the matched sets we considered from this manufacturer and others.I look forward to the next 10-20 years with these chairs for our outdoor festivities. I think they will last that long, maybe more if they survive the wildcard, our pre-teen boy.