Giantex Executive PU Leather Desk Swivel Office Chair High Back Tested for: 220kg (484 lbs) static state 120-150 kg(264-330lbs) dynamic state Seating Area dimension: 49.2" x 18" (W x D) Adjustable height for seat: 17.3-20.5/44-52cm 360 degree swivel wheel and chair can run smoothly on floor