This is well built and sturdy cat tree that your cat is sure to enjoy. I'm giving this 4/5 stars because it is marketed as a cat tree for larger cats, and unfortunately my 15 pound cat did not fit inside the square hut on the second level of the cat condo. That being said, it's perfectly sturdy and he loves laying on it. However, I think he would have enjoyed going into the hut if he was able to fit. I estimate that any cat 12 pounds or under would fit easily :)