Ergonomically designed to support your back, lumbar, hip and arms Features a supportive backrest, thick-padded armrests, wide and deep seat cushion Premium PU leather upholstery offering a luxurious touch Filled with high-density sponge to improve seating comfort Exquisite button tufted design enhances the overall appeal 9 cm height adjustment will adapt to different needs 104 - 119 gentle rocking motion for a relaxed experience 360 swivel casters for flexible mobility Certificated gas cylinder will ensure stable lifting Stable 5-claw metal base will provide reliable support Assembly is required before use - Costway Office Chair PU Leather Upholstered Desk Chair Button Tufted Back in Black