Giantex Ergonomic Office Chair Black Mid-Back Leather Computer Desk Chair with Arms Swivel Wheels Adjustable Height Comfortable Back Support Commmercial Home Executive Office Chair Mid Back Design --- Covering with a total black wear, this chair with high back design is quite attractive and has an extremely comfortable back that enables you to ease your mind and support your back, which is quite conducive to your health during your long work time. Adjustable Seat Height --- The adjustable seat height can meet your different demands from 35.5" to 39.4". A suitable seat height can surely maximize your working enjoyment and spark your passion which can totally improve your working efficiency. Selected Material and Solid Construction --- With soft PU leather and breathable sponge cushion, this office chair brings you an perfectly feeling of relaxation and comfort. You can physically sank to this gorgeous chair and indulge in it with this premium user experience. And the comfortable armrests will also never fail you. Wide Application --- It enjoys a great population in office-use and home-use. And it is quite suitable for your workstation to engage in your work, which is also a good choice for office people to ease your tension after long work time. 360Swivel Rotation --- Equipped with 360 degree swivel rotation, you can move easily to the desired place. 5 castor wheel also guarantees you a greater stability. It is quite labor-efficient and the smooth move can fulfill you purpose of chair racing.