1.Ergonomic design- The High Back Mesh Office Chair provides 4 support points (head/back/buttocks/hands) and proper lumbar support. The seat height, headrest and backrest can be easily adjusted to meet different needs. 2.Breathable and comfortable mesh- The ergonomic office chair uses a breathable mesh design to prevent the accumulation of sweat and heat. 3.High-quality soft seat-The High density foam cushion-resistant to abrasion and deformation, with suitable elasticity, giving you a comfortable experience, very suitable for long-term office use, and avoid fatigue. 4.Multi-functional mechanism- After long time working, you can release the handle of the mechanism to tilting chair for best relaxation and rest which is very convenient for daily life and working time.5.1D freely adjustable armrests- The Armrests for this office chair can be adjusted freely for up and down direction. 6.Durable silent universal wheel-Our wheels are made of durable PU material with bigger diameter 60MM. Smooth 360° glide is as quiet as a mouse, no noise will disturb your good mood. PU mute wheels roll smoothly, no harm on wooden floor.1.Located in Jiujiang, Foshan, HERO OFFICE FURNITURE is a professional manufacturer and exporter of office chairs&gaming chairs over 10 years. 2.Factory area:10000 sqm; 150 workers; 720 x 40HQ per year. 3.Our price are very competitive. For some plastic accessories, we open the moulds and reduce the cost as much as we can. 4.Low MOQ for our standard products. 5.We arrange production strictly according to the delivery time required by customers and ship the goods on time. 6.We have a professional QC team to inspect raw material, semi-product and finished product, to make sure the good quality for each order. 7.Warranty for our standard product: 3 years. 8.Our service: faster response, reply emails within one hour. All sales check emails by mobile phone or laptop after work-off.7.Easy to assembly - The adjustable office chair is equipped with all hardware and necessary tools. Refer to the clear instructions and you can fully assemble in 15 minutes.