The ella features a synchro mechanism seat slide and lumbar support for maximum comfort fabric seat black base 1d adjustable arms height adjustable 2d adjustable arms height adjustable pad adjustment synchro adjustment seat slide 8 hours use back adjustment back height adjustment seat height adjustment 110kg load capacity 5 year guaranteemeasurements width 710mm depth 710mm height 1035 1160mm seat height 545 670mm seat depth 470mm