Giantex High Back Ergonomic Desk Task Office Chair Executive Computer Black 360 Degree Swivel Wheel And Chair Can Run Smoothly On Floor Color: Black;Load Capacity: 264 LBS Tested For:120-150 Kg(264-330lbs) Dynamic State Overall Dimension: 25" X 27" X43.3"-46.8";Backrest Size: 20.4" X 29.9" Seat Size: 20.4" X 20.8";Adjustable Seat Height: 18.1" X21.6"