Leather Office Chair Brown Home Office Desk Chair Mid Back Desk Chair with Wheels Vintage Computer Chair Tan Executive Chair Managerial Chair, Capacity 400 lbs [High Quality] The seat is made of brown retro PU, easy to clean. The stool surface and backrest are filled with 3.2" thick high-density sponge, which is not easy to deform after sitting for a long time. [High safety] The air rod used to adjust the height of the chair has an explosion-proof function and has passed the SGS certification. It can be used safely and can bear 300 pounds.It can be used safely and can bear 400 pounds. [Adjustable height] The height of the stool can be adjusted manually. The minimum height of the chair is 19.3 " and the maximum height is 22.8 ". The height of the office chair can be adjusted according to personal needs and the height of the table. ?Ergonomics? The office chair with armrests is very ergonomic. The seat surface is 18.9" long, 16.5" wide, and the backrest is 20.5" high. It can reduce the pressure on the hips and back, and relax the body, even if you sit for a long time, you will not feel tired. [Wear-resistant, no noise] The base is composed of 5 360-degree rotatable casters. It is very wear-resistant, it will only produce a small noise during the movement, and will not cause any disturbance to the neighbors downstairs. Features with Armrest Ergonomic Adjustable Height Easy to Clean Explosion-proof Function Strong Bearing Capacity Wear-Resistant Product Details Swivel: Yes Lumbar Support: Yes Tilt Mechanism: Yes Seat Height Adjustment: Yes Weight Capacity: 400 lb. Armed Armrest Type: Adjustable Purposeful Distressing Distressed Leather (Purposely made to look aged or worn.)