Yaheetech Mid-Back Mesh Office Chairs with Lumbar Support, Set of 2, Black | Steel frame desk chairs with breathable mesh back and foam seat give all-day comfort, adjustable height, and easy assembly.

Breathable Mid-Back Design: Featuring 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 Height: The 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.
Star Base & 360-Degree Wheels: Twisting 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.
Easy Assembly Required: We provide all the necessary hardware and tool, and an illustrated installation manual to help you set up this chair. Should you have any questions, please feel free to contact us!
Comfortable Armrests: The 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.