Advanced Ergonomic Design: Full lumbar support with a dual, curved back to reduce long sitting strain. High-Quality Mesh Materials: Durable mesh back and seat allow for ventilation and prevent sweating during extended use. Adjustable Headrest: Supports the neck and head for maximum comfort. Flexible and Sturdy Armrests: Adjustable to suit different sitting postures. Durable Base and Flexible Wheels: Chrome metal five-star base with durable, smooth-rolling casters on various surfaces. Multi-Control Mechanism: Ability to adjust height and back tilt to precisely suit user comfort.