SIHOO ergonomic office chair features adjustable lumbar support, headrest, and armrests, height adjustment, rocking function, supports up to 150kg/330lb.

["★ [Ergonomic Design] 5 ergonomic settings help you find the most comfortable seating position for long sitting. The adjustable backrest, headrest, seat height, and tilt, as well as the height-adjustable armrests, provide a personalized seating experience.","★ [BREATHABLE MESH BACKREST] The high-quality mesh backrest is elastic and wicks away sweat and moisture by promoting optimal airflow. This ensures cooling and a comfortable sitting experience, allowing you to work relaxed and focused.","★ [PADDED SEAT] The W-shaped seat ensures a central seating position. The front edge of the seat is waterfall-shaped to minimize pressure when sitting for long periods. The high-density foam-filled cushions are soft and resistant to deformation.","★ [HIGH QUALITY & EASY ASSEMBLY] This home office chair has passed the BIFMA test and the 1136kg static pressure test. Our ergonomic office chairs can support a weight of up to 150 kg. The simple instructions allow anyone to assemble the chair quickly in eight steps.","★ [100% SATISFACTION GUARANTEE] Customer satisfaction is our constant motivation. In case of quality issues with the SIHOO office chair, you can return it for free within 30 days and receive a refund. Additionally, we guarantee during the three-year warranty period that you have not received any defective product parts from us. If you encounter any problems, please contact us and we will find a satisfactory solution."]