Giantex Modern Ergonomic Mesh High/Mid Back Executive Computer Desk Task Office Chair (High Black) Color:Black Load Capacity: 264 LBS Tested For:120-150 Kg(264-330lbs) Dynamic State Overall Dimension:22" X 24.8" X44.4"(At Its Highest Point)/22" X 22.8" X35.4" (At Its Highest Point) Backrest Size:17.7" X 22"/17.7" X 16.9";Seat Size:19.8"(W) X 15.7"(D)/19.6"(W) X 16.5"(D)