Giantex Office Chair Executive Computer Desk Chair PU Leather Ergonomic High Back Height-Adjustable Task Chair with Swivel Wheels and Breathable Cushion (White) Comfortable Design: The Pneumatic Gas Seat Easily And Effectively Adjusted From Seat To Desk On Workstation. Color: White Adjustable Seat: Adjustable Seat Height For Best And Comfortable Sitting Posture . Height Adjusted By Pneumatic Gas Lift, Height From Ground To Seating Area: 18"-22" Ergonomic Posture Support:360 Degree Swivel Wheel And Chair Can Be More Flexible In The Working Space. Overall Dimension: 25.5" X 29.5" X 44.7"-48.4",Back Rest Height From Seat:29.5",Height From Ground To Seating Area: 19.3"-23.2",Seating Area Dimension: 20.5" X 21.5" Package Include: 1 X White Office Chair, Easy To Clean, Easy Assemble is Required.