Yaheetech Office Chair Mid Back Swivel Lumbar Support Desk Chair, Height Adjustable Computer Ergonomic Mesh Chair with Armrest Black, 2-Pack

Ergonomic Backrest Design: Curved backrest can flawlessly line up with the human body curve and support your spines natural curve. The lumbar support system provides consistent support to your lower back
Breathable Mid-Back DesignFeaturing densely knitted mesh backrest, this mesh office chair allows better airflow, accelerating heat and moisture dissipation. Mid-back design supports your spine' s natural curve and protects your lower and middle back as it prompts you to sit straight.
Adjustable Seat HeightThe seat height of this computer mesh chair can be simply adjusted from 35cm/ 13.8 to 45cm/ 17.7 by a little push-up/press down at the lever under the seat according to your needs.
Comfortable ArmrestsThe user-friendly armrests provide you with all-time support to your arms and enable you to sit more comfortably, getting rid of your fatigue after a long days hard work.
Star Base & 360-Degree WheelsTwisting and turning about is integral within the office. So we adopt a stable star base and equip it with 5pcs 360-degree swivel wheels, ensuring fluent and quick movement and keeping up your quick pace of work.