The seats are not pre drilled and it was very difficult to make sure they were centered properly on the frame.  It took 5 days for the company to respond to my email.  I got a friend to help me  hold the seat while I screwed in the nails.  It was not easy at all, because it was at an angle.  and the one is a bit crooked. Otherwise the product is fine. Good quality and looks great, but the frustration with the chairs left me upset enough to rate it a 1