Office chair, comfortable swivel chair with high back, wheels, adjustable headrest, comfortable lumbar support, flip arm, blackThe office desk chair with an ergonomic high back to accommodate the natural curvature of the spine, providing maximum support for your lumbar and shoulders. The mesh backrest is highly breathable and can be tilted 107 145 for all day sitting and relaxation. Ergonomic Design Adjustable Headrest & Flip up Arms Comfortable Thick Cushion