Large & Non-Deformable Cushion: Made from 4.33" thick, high-density shaped sponge, this wide comfy cushion resists sagging and retains its shape over time. The enlarged cushion promotes proper posture and minimizes fatigue. Our home office desk chair features breathable mesh backrest, contoured seat, and adjustable lumbar support for maximum comfort and support. Fully Adjustable Office Chair: The 3D headrest offers height and angle adjustments, which helps relieve pressure on the neck and shoulders. Flexible PU-padded armrests can be smoothly adjusted in three directions for enhanced comfort and versatility. Easily fine-tune your lumbar support by turning the lever inward to raise it or outward to lower it, ensuring optimal back alignment. Reclining and Tilt-Lock Function: Ergonomically designed to support the natural curve of your spine, reducing pressure points. Effortlessly recline back from 90° to 120° with a smooth and controlled tilt mechanism. The tilt-lock function all