Hokku Designs Ergonomic Office Chair, Mesh Computer Desk Chair With Adjustable Sponge Lumbar Support, Thick Cushion, Pu

Ergonomic Office ChairXUER office chair features an S-shaped backrest that fits your lumbar spine better protecting your back and shoulders from pain and fatigue from prolonged sitting. W-shaped design sponge cushion reduce the pressure on your legs suitable for long-term sedentary work up to 8 hours a day.