JOYFLY Big and Tall Office Chair, Ergonomic High Back Desk Chair with Dynamic Seat, Mesh Computer Task Chair Home Office Chair, Adjustable Headrest Lumbar Support, Office Chair 350lbs Capacity, Black - JF910-BLACK

• 【Customized Ergonomic Office Chair】: Office chair height lift function, 90 ° -135 ° tilt lockable angle, multi-position adjustable dynamic seat, 3D armrests can be adjusted up and down before and after, 3D multi-angle adjustment of the headrest. You can adjust the comfortable office chair exclusively for yourself. 【Adjustable Seat Depth】:The seat can slide back and forth, dynamic seat can protect the natural curvature of your spine, help you find the most adaptable depth and angle, so that your back and the back of the chair more closely to relieve muscle pressure. Unlike other desk chairs, no matter what your body shape, this desk chair responds to your body shape to provide you with tailored support. 【Extraordinary Comfort】:Our office chair incorporates an ergonomic concept with butterfly lumbar support to perfectly balance the pressure on your back. The seat features waterfall edges and a slightly concave design that provides a larger area of support, distributing pressure on the hips and thighs and helping to increase leg circulation. The high-density woven mesh fabric is made of flexible and friendly mesh material that slows down sweating or heat generation. 【Durable & Stable】:The office chair is made up of BIFMA certified quality materials, a powerful 4-stage air pump certified by SGS, while the thick chassis provides strong pressure resistance and greater safety. The all-metal five-prong base can withstand up to 1,500 pounds, and the 360° silent casters roll smoothly to effectively protect the floor. 【Easy To Install & Warranty】: You can easily install the comfortable office chair in 25 minutes. In addition, the ergonomic desk chair has a 3-year warranty, if you encounter any product problems, please email JOYFLY, we will solve the problem perfectly for you.