Suitable for a variety of scenarios: The ergonomic chair can not only correct your sitting posture and allow you to work/study in a scientifically correct sitting posture, but also chairs for office desks very suitable for use in many scenarios, such as: office, living room, study, conference room, etc. Space saving and convenient storage. Upholstered Armrests: ergonomic chair office with comfortably padded armrests, it is made of high-density sponge and high-density smooth, breathable mesh to relieve elbow discomfort. You don't have to worry about it fading or if it bothers sensitive skin. Humanized lumbar support: This lumbar support office chair, with humanized backrest and lumbar support, makes the back closer to the natural curve, so that the spine is no longer sore, helping you maintain a relaxed posture during long hours of work. It is easier to disperse stress, relieve muscle fatigue, and relieve back nerve pain troubles. Highly elastic breathable seat cushion: work chair composed of high-density smooth and breathable mesh fabric and high-density high-stretch sponge cushion. The pc chair has high-quality features such as comfort and softness, breathable and not stuffy, and long-term sitting without fatigue, which greatly strengthens the seat and plays a good auxiliary role in your efficient work. Breathable mesh back design: The seat back is made of high-density smooth and breathable mesh fabric, which can provide the correct support for the back in daily use, and provide the right breathability to prevent the back from sweating and causing skin breakouts on the back for no reason. Its breathability keeps you refreshed every day. Stable solid base: Most comfortable office chair base with five brackets ensures that you can greatly ensure your safety in daily use, and will not throw you to the ground like an inferior base. It was tested over 100,000 times before it was brought to market, you can trust it. Silent universal wheel: After 120,000 repeated tests, it is concluded that the universal wheel has excellent quality such as extreme mute/extreme smoothness/extreme wear resistance/extreme compression resistance...etc. It can provide you with the ultimate experience of good control in daily use. Steel Pneumatic Controller: The office chair is equipped with a four-stage steel gas spring with a maximum load of 300LBS. Certified by BIFMA and SGS. Pneumatic seat height adjustment moves the seat up and down to accommodate various body heights. Tilt tension can be adjusted with levers and buttons to provide a more natural posture. 360° rotation provides freedom of movement in any direction. Thickened explosion-proof steel connections: High-quality thickened frame, wear-resistant, high-load-carrying five-star base, all the details make this desk office chair last longer. Not easy to break, making the seat last longer.