Eurotech Seating Apollo collection multifunction task chair has a breathable mesh back and 4" thick fabric upholstered seat.Task chair features a synchrotilt mechanism, instant lift adjustable seat height, adjustable seat angle, adjustable back height, adjustable back angle, tilt tension control, tilt lock, adjustable arm height, and adjustable arm width.Eurotech products have been certified by GreenGuard as meeting the Indoor Air Quality pollutant guidelines and standards. Ships ready to assemble.