This chair was actually built/manufactured on a slanted floor. When you sit, you actually rock back and forth a bit because the legs and arms do not line up. The entire frame of the chair is twisted and off center. I guess thats what you get when it's made in china? I should have went with my husbands gut and chose something American made. My kids like to push the chair around and watch it wobble on my flat hardwood floor. The customer service was great and they told me to donate the chair, unfortunately I wouldn't even want to DONATE this chair to someone. It's that bad. Completely crooked. Awful manufacture job.