eurosports High Back Mesh Desk Chair,Ergonomic Adjustable Swivel Computer Executive Office Chair with Upholstery Headrest and Arms, Black Contemporary stylish look,ergonomic high back design---best chair for home office working Adjustable seat height and back tilt tension---for your convenience use Padded headrest and seat covered with fabric,breathable mesh back,built-in lumbar support and fixed arms---provide most comfort when you have a long time seating Heavy duty chrome base with 5-star casters---durable solid construction and easy to rolling around Overall size:W24.4" x D24.8" x H46.5"-50.4";seat height: 18.9"- 22.8",Back height:28".Weight capacity: 280lbs.Simple assembly after receive,1-year warranty limited.