Giantex Modern Ergonomic Mid-Back Executive Computer Desk Task Office Chair Mesh Back Color:Black Load Capacity: 264 LBS Tested For:120-150 Kg(264-330lbs) Dynamic State Overall Dimension: 25.5" X 20.8" X35"-38.9";Backrest Size:18.5" X18.8";Seat Size:18.5" X 18.1" Adjustable Seat Height: 15.7" - 19.6";Height From Arm To The Ground: 27.9"((At Its Highest Point)