The java 200 high back operator chair features a posture curved seat with waterfall front for a comfy sit complete with a sculptured lumbar and spine support the java also includes seat and back adjustment to suit your comfort needs posture curved seat with waterfall frontfitted with an under seat skirtsculptured lumbar and spine supportgas height adjustmentback tilt adjustmentback height adjustmentblack nylon base fitted with twin wheel hooded castorscertified to bs en 1335 level 3dimensions