Welding on chairs does not appear durable.  The lumbar support hurt my arthritic lower spine and the head rest tilts so far back I stare at the sky rather than being abe to carry on face to face communication with another person.  All in all I failed to look close enough to discripton of chair dimensions.  I will return two of them and I would return all 
 four if one in the set of two was not  assembled