Sold as 1 Each. PACKAGING MAY VARY, SAME GREAT PRODUCT. Limited Lifetime Warranty. Hard surface casters roll quietly and effortlessly on carpet floor types. Seat Depth: 17.5 - 19.4', Seat Width: 20.1', Seat Height: 24.6 - 34.4', Back Height: 23.9', Back Width: 17.9'. Black fabric contoured seat. Assembly required. Synchro seat control. Designed, engineered, assembled in the USA. Black plastic five-star base. Warrantied for users up to 300 pounds. Adjustable lumbar. Width-height adjustable arms. Meets or exceeds ANSI/BIFMA standards. Overall Dimensions: 46.9 - 56.9' H x 26.6' W x 26.4' D.