Alden Design Ergonomic Mesh Chair Adjustable Mid Back Swivel Office Chair with Armrests, Black

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 18’’ to 22’’ by a little push-up/press down at the lever under the seat according to your needs Ergonomic Backrest DesignCurved backrest can flawlessly line up with the human body curve and support your spine’s natural curve. The lumbar support system provides consistent support to your lower back Quick-to-AssembleTo make your installation easy as possible, we’ve included illustrated instructions, necessary tools and fittings in the package for convenience. Will usually take 15 minutes for an adult to put it together 360° Smooth MobilityThis ergonomic office chair is equipped with nylon swivel casters to make sure users can move with the chair effortlessly with a 360 degrees rotation. Sturdy materials of these five casters allow smooth and steady mobility SpecificationsOverall Dimensions: 24.5″ W × 24″ D × (35-39)″ H；Adjustable Seat Height: 18-22″；Arm Height: 23.2-27.2″；Seat Size: 20.3″ W × 17.7″ D × 3″ Thickness；Maximum Weight Capacity: 300 lb