Ergonomic Office Chair with 4 Support PointSICHY AGE office chair provides 4 support points (head/back/hip/hands) and lumbar support.SICHY AGE designs desk chair to meet different needs, with seat height, headrest adjustment,lumbar support and back support adjustment,This computer chair suitable for long sitting and reduce your pain. Rocking 90-135° & Flip Up Armrest & Mute Rolling WheelsThis ergonomic office chair height can be adjusted according to your needs,allowing you to find the most comfortable sitting position. The maximum tilt of the office chair is 135°.The desk chair with the flip up arms and mute rolling castor wheels can swivel 360°, which can create more possibilities for your life and work. Breathable Mesh & Memory FoamThe backrest of the office chair is made of breathable mesh fabric.The breathable mesh of the desk chair has strong tensile strength,which can keep the back cool and comfortable.