Vieworld Ergonomic Mesh Office Chair - Adjustable Headrest and Armrests, Multi-Position Recline Control (Blue) 360-degree swivel rotation. Chrome Finished Base Breathable mesh fabric back support Overall Product Dimensions (inch) 24Lx20Wx48-51H Adjustable padded headrest and armrest. Pneumatic Seat Height Adjustment Recliner and locked in position between 90-120 degree