Giantex Executive Office Chair, PU Leather Ergonomic Desk Chair with Flip-up Armrests and Height Adjustable[Ergonomic Office Chair]: The executive chair features a contoured backrest with headrest that has separated zones for optimal support. The thick seat cushion will further improve comfort and the flip up armrests, which can be adjusted as needed, offers a customized sitting experience. Multiple Adjustable Design: The 360swivel task chair offers 4 seat height adjustment, capable of catering to different people. Moreover, the rocking function with range