1:Material:Leather/PU 2:Color:black 3:Swivel chair 4:Armrest: wooden ... :chromed armrest,with decoration wooden cover,smooth and durableSeat plate:leather upholsteredGas lift:travel gas lift Inner material:high quality sponge ... basesSize: standard, mechanics design with multi-function Color:blackUsing area:Office area, manager room,executive room,etc1. Strong, smooth, superior, soft ...