Ergonomic Office Chair: The desk chair with ergonomic lumbar support and breathable mesh makes the chair more air circulation on your back, cooler, and more comfortable. Swivel Office Chair: The computer desk chair heavy-duty base with 360-degree swivel wheels, running smoothly and quietly on the hard floor, carpet floor, and more. High-Quality Office Chair: The mesh chair has an updated padded seat and is made of a high-quality thick sponge and resilient provides extra comfort for daily use. Height Adjustable Office Chair: The ergonomic computer chair reinforced Pneumatic Rod controls make it easier to raise or lower the seat, more reliable, and sturdy. Easy to Set up Office Chair: Our office chair comes with all hardware & necessary tools. And we offer the installation instructions and video to help you.