Description No Matter Where You Are, This Kind Of Chair Will Keep You Comfortable And Stable All Day. The Pneumatic Gas Seat Easily And Effectively Adjusted From Seat To Desk On Workstation. 360 Degree Swivel Wheel And Chair Can Be More Flexible In The Working Space. Limited Weight,Up To 264lbs, Allows You Have Comfortable And Safe Experience During Busy Working Days. Feature Brand New New Modern Style,Beatiful Generous And Strong Practicability Comfortable,Attractive, Supportive Breathable Black Mesh Back And Mesh Fabric Seat Comfortable Arm Rests 360 Degree Swivel Wheel And Chair Can Run Smoothly On Floor Height Adjusted By Pneumatic Gas Lift Adjustable Seat Height For Best And Comfortable Sitting Posture The Steady And Fantastic Star Base Specifications Color: Black Weight: about 20 LBS Seating Area Dimension: 19.5" X 18.0" (W X D) Back Rest Height From Seat: 18.0" Overall Height: 33.5"-38.5" Seat height: 17"-22" Overall Dimension: 23.0" X 25.5" X 38.5" (Highest) Package Include: 1 X Office Chair