Gianna Adjustable Ergonomic Office Chair with Comfortable Armrests for Home & Computer Work,Black

[Advanced Ergonomic Support for All-Day Comfort] Designed to support your lumbar and shoulders, this office chair features a high backrest that promotes healthy posture and reduces spinal strain. The tilt function (90°-120°) allows for customizable reclining, making it easy to find your ideal position after sitting for long hours. [Comfortable Padded Seat & Ventilated Mesh] Equipped with a thick, high-density foam seat cushion, this chair provides exceptional comfort and relieves pressure from your hips and tailbone. The breathable mesh back ensures proper airflow, keeping you cool, while the generous seat size (20.47" × 17.32") accommodates individuals of various sizes, including taller users. [Customizable Seating with Flexible Adjustments] Offering a 4-inch adjustable seat height and a versatile backrest, this chair lets you easily fine-tune your seating position. Its ergonomic S-shaped design aligns with your spine's natural curve, giving you the support needed to reduce discomfort and improve your sitting experience. [Heavy-Duty Construction for Enhanced Durability] Built with a sturdy metal base and reinforced lift mechanism, this chair supports up to 300 lbs, ensuring long-term reliability. The high-quality PU wheels are designed for smooth, quiet movement on various floor types, offering both durability and mobility. [Effortless Setup in Minutes] Setting up this chair is simple and fast, with all necessary tools and hardware included. Follow the clear instructions or watch the helpful video guides to complete assembly in just 10-15 minutes, allowing you to enjoy comfort and support without any frustration.