The Wayfair service was superb even when I let them know the "carelessness costs lives" warning tag had been attached to the side of the chair back at the very top and it's removal caused me to puncture the fabric leaving a small but visible hole. Wayfair offered a 25% refund without hesitation, which more than compensated. I will glue the shall hole and it will be near perfect again!
As for the chair, it took almost three hours to assemble as one screw got cross threaded and another failed for ages to make up with the captive but in one hole. However, with much perseverance, I ended up with a comfy chair, ideal for relaxing in my office after a hard day's work! Hard to assemble, but we'll worth it!