【ERGONOMIC DESIGN】This office chair nails the balance of comfort and support. Its backrest and seat hug your spine’s natural curve, evenly distributing pressure across your lower back and hips. Whether you’re typing, in back-to-back meetings, or cranking through tasks, it keeps you feeling fresh even after 8+ hour workdays. 【Breathable Mesh Seat】This home office chair features a split-back design for enhanced breathability and comfort. The ventilated mesh backrest and seat cushion promote air circulation, keeping your back and hips dry and comfortable at all times. The seat cushion thickness has been upgraded to 7cm, filled with high-density foam for optimal firmness. Paired with breathable mesh fabric, it offers excellent elasticity and flexibility. 【90° Adjustable Armrests】The office chair features 90° folding armrests for enhanced comfort and space efficiency. Simply fold the armrests upwards and slide them beneath the desk when not in use to save considerable space. The padded armrests offer a soft, comfortable feel while providing flexible elbow support, enabling more relaxed and efficient working. 【Durable Construction】5-star metal frame is rustproof and sturdy for high stability. SGS-certified pneumatic lifts and improved mechanics ensure long-term use, making it a reliable investment for your workspace or home office.Industrial-grade metal base + dual-wheel castors, enabling 360° silent rolling on carpets and hard floors 【Easy to Assemble】The office chair comes with all accessories and instructions and can be installed within 30 minutes. We offer a 1-year after-sales warranty. If you encounter any issues, such as missing parts, damaged products or other problems, please contact us. We will respond within 24 hours.