24H OFFICE CHAIR Helps increase work efficiency. The 24H Chair’s design is based on orthopedics and ergonomics for people engaged in work requiring long hours of sitting. Provided with functions to adjust each part, including the air lumbar support, which helps naturally keep the posture of “being seated as if standing” that minimizes stress on the lower back from the orthopedic point of view. It gives seating comfort almost equal to the ideal custom-made product to confirm to each body shape. The office chair with high practical value protects the lower back during long hours of sitting and helps increase work efficiency. Headrest Height & Angle Adjustment Stepless Recliner Adjustment Seat Rocking Mechanism Rocking Hardness Adjustment Seat Height Adjustment Armrest height & Angle Adjustment Air Lumbar support