Yaheetech Adjustable Office Chair PU Leather Ergonomic High Back Executive Computer Desk Task Brown Quality Gas Height Adjustment With Tilt Ability Multilayer Soft Pillow Design For Real Comfort High Back With Original Clipper-Built Ergonomic Design Strong 5 Castor Wheel Chrome Base For Greater Stability Seat Dimension: 21"W x 21"D Back Dimension: 20"W x 29"H Adjustable Seat height: 20" - 24" Net weight: 37.5lbs