Dimensions: 28.25" W x 30" D x 47.25" H. Coil spring seat with 360 degree swivel. 60% polyurethane, 20% fabric, and 20% recycled leather seat. Thick, padded seat with built-in lumbar support. Locking tilt control with adjustable tilt tension. Included in the ECH Series. Executive bonded leather chair. With a high backrest and a coil-spring suspension system in the seat, this chair offers comprehensive, ergonomic support. The seat swivels 360 degrees and adjusts with a pneumatic lift system. The headrest also adjusts in height and is ideal for anyone with neck issues.