Ergonomic Office Chair, SGS Certified Class 4 Gas Cylinder, 400 LBS Capacity, Retractable Footrest, Adjustable Lumbar Support, Breathable Mesh（Black and Grey）

Safety Certification：Office chair has passed professional tests such as SGS, TUV, and BIFMA, so you don’t need to worry about the reliability of all components. The gas lift is leak-proof and explosion-proof, ensuring safe height adjustment. The base is made of high-strength metal, and the chair can easily bear a weight of 400 pounds
Adjustable Lumbar Support：The lumbar support can be adjusted with a knob, allowing the lumbar region to fit the computer chair, reducing lumbar pressure by 50%, improving sitting comfort, and reducing fatigue
Multi-angle Tilt：The backrest can be easily adjusted to various tilt angles, adapting to different sitting positions and postures. Computer chair equipped with an extendable leg rest, it allows for better freedom to switch between work and rest
Breathable Mesh：Ergonomic office chair uses elastic mesh, which maintains breathability while also relieving pelvic pressure
Adjustable Headrest：Moves for neck alignment, support,home office furniture sets, and reduced muscle strain