Featuring a curved back and adjustable height, the Livingandhome office chair is designed to fit your body line and makes sure that you can sit comfortably. And check this out, the chair is padded with high-density foam and wrapped around with breathable mesh fabric, while you work, the chair can deliver an airy and ergonomic seating experience even if you sit overtime. The chair can go up and down with the gas lever under the seat, which is up to the height of your desk. - Living and Home Office Desk Swivel Chair Computer Ergonomic Chair in Black