Ergonomic Desk Chair with Lumbar Support and Rocking Function-Black

-Lumbar support with the triangular structure for comfort and sturdiness -Selected mesh fabric for a breathable sitting experience -Bring ultimate coziness with a soft padded seat -Reduce strain and fatigue on your arms and shoulders with armrests -Find the most comfortable position for your work by adjusting the lever and tension knob -360° rotation and 17"-21" seat height adjustment for extra needs -Move on any type of floor with smooth casters -Convenient to assemble with a clear user manual -Stronger than you think with sturdy construction —� Comfortable Experience: This home office chair boasts a thickened and high-resilience seat with high density which provides you with a comfortable sitting experience. And the mesh fabric avoids stuffiness. The cozy armrests support your arms comfortably.—� Sturdy and Stable Structure: With a stable 5-star base and superior gas lift cylinder this mesh computer desk comes with a strong loading capacity of up to 300 lbs. Besides the assembly