Vieworld Ergonomic Mesh Office Chair - Adjustable Headrest and Armrests, Multi-Position Recline Control (BLACK) 360-degree swivel rotation. Polished Aluminum Finished Base Adjustable padded headrest and armrest. Pneumatic Seat Height Adjustment Breathable mesh fabric back support Recliner and locked in position between 90-130 degree Overall Product Dimensions (inch) 23L x 20W x 44-47H