KERDOM Office Chair Desk Chair Ergonomic, Executive Chair with Adjustable Headrest, Armrests, Swivel Chair Tilt Function up to 135° Office Chair 330 lbs Dark Grey

["【Comfortable Ergonomic Office Chair】The ergonomic office chair is made of highly elastic fabric, providing you with a comfortable and breathable seating position. Equipped with 15° foldable armrests, 7 cm adjustable lumbar support, and a 30° rocking function, you can enjoy this comfortable mesh chair while working, studying, and relaxing.","【High-Quality Materials】The seat cushion of the ergonomic office chair is made of high-quality sponge. It is moderately soft and hard, providing a comfortable seating experience. The backrest and headrest are made of high-quality, breathable polyester mesh, keeping you cool and comfortable while sitting.","【Office Chair with Foldable Armrests】The KERDOM office chairs are 360° swivel and the 90° adjustable armrests can save you space. The tilt angle of the backrest is 90°-120°. You can adjust your own viewing angle to play games, watch videos, work, and take a nap. (Desk chair MAX capacity: 150KG)","【SAFE AND RELIABLE】Three-stage steel gas spring and high-load-bearing nylon legs with a capacity of 150 kg are BIFMA and SGS certified. The thickened, explosion-proof steel frame is durable. All these details make this office chair more usable. The quiet, PU-coated wheels can rotate smoothly 360° and are suitable for almost all floors.","【Assembly and Service】This office chair is easy to install, with an integrated manual, requiring tools like Allen key (included) and all accessories. We offer 1 year product guarantee. You can buy it and use it with confidence. If you have any questions about the office chair before and after purchase, you can contact us anytime. We will do our best to solve the problem."]