... coating in black color. If extra required, 2-side leg can be replaced by the central single leg.♦ ... WARRANTY: we have 5-year warranty for our chairs Auditorium seat Auditorium seating Auditorium chair: ♦ International standard: Fire retardant standard ... hall seating, Lecture room chair, Convention center seat, Convention centre chair, Parliament Seat, Congress seating, Sofa chair, hotel chair, meeting ...