Exacme High Back Executive Swivel Leather Chair, Black (6155-8072) Comfortable Ergonomic Design --- High-back and full waist cushion is designed according to ergonomic. High-back Design --- Designed to fit the natural shape of the human back, providing comfort and support to the low back. Highly Durable Construction - Made of Solid plastic, faux leather. Soft PU leather upholstery with ample padding,oli and water resistence Pneumatic Lift System adjusts the seat height to your personal preference. Smooth Gliding Caster Wheels. Tilt Tension Adjuster. 5 star base. 360 Swivel for the chair Color : Black. Material : Faux Leather, Plastic. Caster Material : Nylon. Seat Dimension : 20.7''(Width)x 18.5''(Depth). Seat Height(adjustable) : 18.8''-- 22''. Armrest Height : 28.5''(Min)/32.3''(Max). Back Size : 30.7''(H) x 21''(W). Max. Load : 330 Lbs