400LBS Mesh Big and Tall Office Chair Swivel Task Chair

● Ergonomic design helps to alleviate body fatigue● Rocking backrest with tightness control for better relaxation● Adjustable lumbar support and armrest for much more convenience● Height adjustable seat makes the chair suitable for different people● Metal base and class-4 gas rod for maximum load-bearing capacity up to 400 lbs● Mesh backrest for great breathability● Seat cushion with high-density sponge and high resilience spring for extra comfort● 360° smooth-rolling casters for flexible movement● Suitable for various occasions, such as study room, meeting room, office, etc