Springfield's Newport Adjustable Chair Package includes a Newport seat shell (1060002-S), Newport white cushion set (1045014), mounting plate (3100207), manual adjustable pedestal with 9" floor base (1253032-L), and a 2-3/8" Track-Lock locking swivel (31300031-L1). The height adjusts from 13.25" to 16.25". The seat measures at an 18" height x 20" width x 15" depth. Includes a 1-year warranty on upholstery and cushions, and a 5-year warranty on the frame and substrate.