ALPHA HOME Ergonomic mesh chair, medium back desk, computer with adjustable armrestsErgonomic design: Our office chair designed with human oriented ergonomic back and armrests, relieve your back pain puzzle after prolonged desk work; too far away from chronic causes by cervical and lumbar spine, buy our ergonomic chair to cultivate healthy posture Multifunctional adjustment: adjustable armrests up and down), seat height up and down) and backrest (adjust and lock between 90 135) can meet different people in needs of height and tilt;