ERGONOMIC OFFICE CHAIR - This ergonomic office chair use an unique backrest to fit the natural ergonomic curve. Also the ergonomic mesh office chair has a adjustable lumbar support which can help you fix your sit position. Our home office desk chair process high density mesh backrest, flexible rolling wheels and breathable thick padded seat cushion of this mesh computer desk chair HEAD & LUMBAR SUPPORT - Our desk chair features a lumbar support system adjustable 1.7 inches vertically and 0.8 inches forward/backward, perfectly fitting the waist and back to protect spinal health. The headrest adjusts 3.9 inches in height, 0.8 inches forward/backward, and rotates 45°, allowing free posture changes to relax the neck anytime SPACE SAVE - The ergonomic office chair can maximize your workspace efficiency with flip-up armrests that allow for easy storage and maneuverability. The innovative design ensures comfort without sacrificing floor space COMFY OFFICE CHAIR -The office Chair is equi