The black adjustable height swivel rolling office chair combines modern design with ergonomic support for a comfortable work experience. Crafted with a durable nylon frame, this task chair features a sleek black mesh back that promotes breathability. The flip-up armrests provide convenient flexibility, allowing you to customize your seating arrangement as needed. Enjoy smooth mobility on multiple flooring types thanks to the integrated casters. With lumbar support and a waterfall seat design, you can maintain proper posture and reduce pressure points during long hours at your desk. The chair also includes a tilt mechanism and tilt lock, enabling you to easily adjust your sitting position for maximum comfort. Adjust the seat height effortlessly to suit your preferred working style. 37.50-inch h x 24.75-inch w x 24.00-inch d.