Rolling Black Ergonomic Office ChairThis ergonomic office chair features a breathable polyester fabric with padding placed to add ergonomic support to the back and seat. It is height and tilt adjustable to customize it to you, and has smooth casters for easy mobility around the office. The base is sturdy metal. This chic chair will add elegance and style to your office. Its dimensions are 25" W x 24. 5" D x 45. 75" H.