Giantex Modern PU Leather Ergonomic High Back Office Chair Executive Computer Desk (High Back, Black) Nice Design: Modern Style ,Beatiful Generous And Strong Practicability ,This Kind Of Chair Will Keep You Comfortable And Stable All Day. Adjustable Chair: Height Adjusted By Pneumatic Gas Lift ,Adjustable seat height: 17.7"-21.6",360 Degree Swivel Wheel And Chair Can Be More Flexible In The Working Space. Ergonomic Posture Support: Load capacity: 264 LBS, Tested For:120-150 Kg(264-330lbs) Dynamic State Overall dimension: 22" x 24.8" x40.5"-44.4",Backrest size:17.7" x 22",Seat size: 19.8"(W) x 15.7"(D),Adjustable seat height: 17.7"-21.6" Package includes:1 x office chair, Easy assemble is required.