Super buy New Mid-back Adjustable Ergonomic Mesh Swivel Computer Office Desk Task Chair Weight: 20.3 LBS,Color: Black Tested For:120-150 Kg(264-330lbs) Dynamic State,Seating Area Dimension: 18.9" X 18.9" (W X D) Back Rest Height From Seat: 21.7" Overall Height: 35.2-40,Overall Dimension: 23.2" X 24" X 40" (Highest) Package Include: 1 X Office Chair Black