Eiger Black Fabric Ergonomic\nPosture Computer Office Chair \n\nPelvic shaped seat for enhanced\ncomfort and posture\n\nAn office task chair with\npostured curves for support during long working hours\n\nErgonomically shaped back rest\nwith sculptured curves for comforting support to the back's pressure points\n\nTri-curved shape seat pad to\nsupport the pelvic region, enhancing both comfort and good posture\n\nIncludes height-adjustable arms\nfor additional comfort for long working hours\n\nSupplied with safety castors\nfeaturing an internal brake which disengages when you sit for free-rolling\nmovement, and automatically applies when you stand, preventing any hazard\ncaused by the chair rolling away accidentally\n\nDecorative elegant 5-star base\noffers great stability\n\nUpholstered in a 100%\npolypropylene fabric\n\nSeat height adjustment \u2013\nPositions the seat height to the most comfortable level for you\n\nBack height adjustment - Adjusts\nvertically, locking at variou.