This 360° swivel  ergonomic chair is an ideal choice for your office and home. Soft foam  padded seat and breathable mesh backrest give you a cool and comfy  seating experience even during the hot weather. Curved backrest with  lumbar supports can reduce your fatigue after long-time sitting. The  adjustable seat height and 5 wheels that roll in all directions are made  for convenient multitasking. Tilting design helps you recline for  better relaxation after hard work. This sturdy mesh chair is  ready for your long-term use. Simple assembly is required.  

Features:

• Robust Chair Construction: This mid-back office  chair is constructed of hard-wearing polyester mesh, nylon star base,  solid rolling casters and steel gas cylinder. It has passed  BIFMA X5.1 Test and is recommended for office use for customers under  300 lbs
•  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 18’’ to 22’’ by a little push-up/press  down at the lever under the seat according to your needs
•  Reclining Office Chair: By simply pushing the lever or pulling it out,  this mesh office chair can be tilted and leaned backward or locked in  place for your various sitting positions. A tilt tension control knob  under the seat is equipped to adjust the recline angle
•  Ergonomic Backrest Design: Curved 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 

Specifications:

• Materials: steel, iron, PP, polyester mesh, foam, nonwoven fabric, plywood
• Overall 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

Note:

• For your safety, please do not stand on this chair.
• Please allow a 1.5 cm/0.6 inch measurement tolerance.
• This  is a basic mesh chair. The backrest is only for supporting your back  while sitting. It is not suitable for people with relatively strong and  big body sizes to lean back too far, otherwise, the backrest might be  cracked.