· [Ergonomic Design] Ollega M905 ergonomic mesh office chair provides 3 support points (back/hips/hands) and appropriate waist support. fitting the curve of your spine to give you enough support of each parts. Built-in lumbar support effectively reduces the pressure on the waist and relieves the pain of the waist caused by sitting on the chair for a long time.

· [Adjustable Mesh Office Chair] Ollega's desk chairs with wheels features adjuatable function. The height of the seat can be easily adjusted to meet different needs. Height up and down adjustable 3 inches, 360° chair rotating, flip-up armrest, 90° -120° rocking function that you can spend a happy time.

· [Comfortable Sitting] Our mesh office chair come with 3" thick seat cushion has been upgraded to be comfortable with breathable fabric and soft, giving you good support. High-density sponge-filled cushion is soft and not easily deformed, which is soft and comfortable,to perfectly fit the curve of your hips during lunch break and work, releasing pressure and relieving pain from long hours of work.

· [Space Saving] The portable modern mesh office chair is designed in a small and delicate shape to make it occupy much smaller area, which is suit for more rooms. It's convenient to your life.

· [Quick Installation] M906 whole Chair Dimensions: 23.4"W * 23.4"D * 36.8"-39.7"H, Seat size: 19.4" W * 18.7" D *17.7"-20.7"H, backrest height: 20.7"H, high and wide enough for most users. Black ergonomic office chair comes with all the hardware and necessary tools. It can be easily installed in about 10-15 minutes.