The luna mesh office chair features a fully reclining tilt mechanism with a breathable mesh back and a comfy airflow seat designer mesh chair with folding armsbreathable mesh backair flow mesh seattilt mechanism lockable in the upright positionheavy duty gas lift 110 kilosfoam and fabric conform to bs5852 ukfrdimensionsseat width 500mmseat depth 500mmback width 510mmback height 580mm seat height 450 530mm