• Ergonomic design and separated zones for optimal support• Comes with contoured backrest and padded armrests for relaxation• Adjustable backrest provides customizable angle to promote proper posture• Rocking tension control (tight & loose) and lifting lever for easy adjustment• Thick & wide waterfall seat cushion is born for long-lasting sitting comfort• Selected faux leather and high-density sponge for soft seating surface• Adjustable height and 360° swivel seat cater to different people• Equipped with premium gas lift for safety and long-lasting use• Sturdy 5-claw metal base is a perfect blend of quality, durability and convenience• Smooth rolling casters are easy to move around your workspace• Widely used in various occasions, such as home, office and meeting room• Assembly needed