Demi Bonn Ergonomic Office Chair, 3D Headrest, 87°-100° Reclining Backrest, Adjustable Lumbar, Thickened Seat, Black Ergonomic Office Chair with 3D Headrest and Reclining Backrest - Black, the perfect blend of comfort and support. This chair adjusts to your body with 4" height and 1.5" front-back adjustments for the headrest, ensuring optimal support. The 1" up-down and 1" front-back lumbar support provides exceptional comfort. The 87°-100° reclining backrest and 360° swivel seat offer flexibility, while the 19"-23" adjustable seat height caters to different heights. Armrests adjust 3.5" up and down for a comfortable posture. The 3" thickened waterfall seat and high-density sponge ensure long-lasting comfort. The breathable mesh fabric is tear-proof, while the strong gas rod allows effortless adjustment. The 5-claw metal base provides a wide, stable foundation. Universal wheels allow effortless movement, while the sturdy coat hanger keeps coats and bags organized. Tilt tension control and adjustment lever make it easy to adjust, making this chair a must-have for any office or home workspace.