"Whether you go into the office or work from home this beautifully styled ergonomic chair boasting soft and durable black LeatherSoft upholstery with pillow top cushioning and multiple adjustment features will give you something to look forward to. [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] Mid back design and black LeatherSoft upholstery with CAL 117 fire retardant foam, pillow top cushioned back and seat, Triple paddle controls, infinite-locking back angle adjustment reduces disc pressure, back height adjustment knob positions lumbar support, tilt tension adjustment knob adjusts the chair's backward tilt resistance, back adjusts 2.75"" up and down Modern style is suitable for your office or home office PRODUCT MEASUREMENTS: Overall Size: 19.75""W x 25.75""D x 35-41""H; Seat Size: 19.75""W x 18.25""D x 18.25-21.5""H; Back Size: 19.5""W x 18-20.75""H"