Why Choose ELFORDSON Office Chair? The massage office chair series are ergonomically designed and precisely produced to provide comfort, especially during prolonged periods of sitting. With the massage function, you will feel at ease and supported throughout the 8-hour workday. You can bet on it! Specification Type: home office chair Maximum weight capacity: 350 lbs Maximum height: 6’3’’ Product dimensions: 49 x 63 x 112 cm, 19 kg Package dimensions: 71 x 53 x 32 cm, 19 kg Colour: black, grey, red, cream, white, pink Assembly: Assembly Required All measurements are made manually with a possible deviation of 1-3 cm. Due to the screen and lighting configuration, the colors may be slightly darker or lighter. 77cm big and tall office chair Upgraded whole-piece molding foam Extra padded on backrest and seat, support your whole-day work Built-in lumbar support to protect your spine 2-zone massage chair for upper & lower back 2 massage modes with 3 various intensity levels Ergonomic s-curved