【Ergonomic Office Chair】 The office chairs are designed with human-oriented ergonomic construction, provides comfortable support to help you keep a relaxed posture in a long time working. Easier to disperse pressure and relieve muscle fatigue.【Comfortable and Safety】 The computer desk chair is made of the high-density and breathable mesh back with lumbar support and thick cushion to provide you the most comfortable posture. The thickened explosion-proof seat plate give you more comfort and double coverage. Max capacity: 250 lbs.【Convenient Storage】 The mesh office chair comes with adjustable padded armrests which can be flipped up or down. It saves your space and can be easily stored. Suitable for office, living room, study room, meeting room, etc.【Multi Function】 Pneumatic seat height adjustment; Tilt lock function(angle adjustable); 360 degree swivel; Solid rolling silencer casters for smooth movement.【Easy to Assemble】 We offer installation instruction and video to help you. It usually takes about 10-20 minutes to assemble. If you have any questions, please feel free to contact us.