The delivery was very quick. The assembly is simple and. Done quickly if the threaded holes for the backs u. Seat fit. Here was the problem. The backrest can not be deformed slightly, but the seat. My delivery therefore had sufficient three screws. The variation in the threaded insert of the fourth screw was too big. The design of the chair is ok. Also, the price, in spite of the mounting problem. Who wants to have a small u. Inexpensive solution, is satisfied with the purchase.