Made from sturdy materials that assemble tightly for a safe tree for my fat kitties. Instructions were a bit vague, but I put it together within about 20 minutes, only needing the supplied Allen wrench. I moved it to a window by back door and they were on it right away and boxing the little pompom that dangles. Great tree for the price! I also bought our other from Wayfair a couple of years ago. I tell friends to check out the huge selection and prices for cat trees from you before buying at the pet store or other online sellers.