Ergonomic Office Chair, Mid-Back Computer Chair with Adjustable Height, Flip-Up Arms and Lumbar Support, Breathable Mesh Desk Chair for Home Study Working

Ergonomic Computer Chair office Chair adopts ergonomically designed S-shaped backrest, headrest and lumbar support, perfectly fit your body line and provide the best comfort for your back. The nylon wheels can rotate 360°freely and slide quietly on any type of floor.
Multi-Adjustable Functions5 humanized adjustment features to help you find the most comfortable sitting posture, allowing you to sit for a long time and stay relaxed. Adjustable armrests, lumbar support, headrest, seat height, and swing range, bring you a customized seating experience.
Upgraded Quality Materials Computer Chair is made of premium polyester mesh, high elasticity without deformation, more wear-resistant and breathable. The cushion is filled with high-density thick sponge, soft and durable, providing support while keeping it cool and sweat-free, make you comfortable and relaxed.
Excellent Performance StandardsThe height-adjusting GAS rod has passed SGS certification of Grade 3, more stable and safer. Heavy-duty base and nylon smooth rolling casters provide excellent stability and mobility. It also passed the push back test of 102kg and static pressure of 950kg.
Easy to Assemble and AdjustYou can easily assemble the home desk chair by following the steps of the instructions. Pull up/down of the lever to adjust height of cushion; Pull in/out to lock backrest or turn on rocking mode, adjust the bottom knob to control the tightness of the backrest in rocking mode.
Not recommended to replace the wheels for use - the original factory configuration is the most suitable, please do not replace the wheels to avoid the problem of base breakage caused by the mismatch between the wheels and the base.