Ergonomic Lumbar Support: Specifically contoured to mold to the shape of your lower back, providing better posture support and preventing you from hunching forward. High-Quality Materials: Equipped with stainless steel casters made from premium aluminum alloy, ensuring durability and rust resistance, making it stronger and quieter than plastic alternatives. Strong Weight Capacity: The chair's three-level gas cylinder provides stability and can support up to 300 lbs, making it suitable for larger individuals. Comfortable Cushion: The 2.7-inch thick high-density foam cushion offers excellent comfort and durability, with a waterfall edge design that reduces pressure on your hips and tailbone. Easy Assembly: Comes with all necessary tools and clear instructions, ensuring a hassle-free assembly process. Enjoy a quick and easy setup with everything you need included. Introducing our Ergonomic Office Chair designed to provide exceptional lumbar support, meticulously contoured to align with the natural curve of your lower back. This chair ensures all-day comfort and support, helping to prevent hunching and improve posture. The adjustable pneumatic height mechanism allows you to easily find your perfect seating height, ensuring ergonomic comfort for prolonged periods. Built with a robust three-level gas cylinder, this chair guarantees stability and durability, supporting weights up to 300 lbs. The stainless steel casters are made from premium aluminum alloy, offering superior strength and resistance to rust, ensuring long-lasting performance. These smooth-rolling wheels provide effortless mobility on all floor types, making it perfect for both home and office environments. The chair features a high-density foam cushion with a thickness of 2.7 inches, providing excellent resilience and comfort. The waterfall edge design of the seat reduces pressure on your hips and tailbone, allowing you to sit comfortably for extended periods. This cushion is not only durable but also offers better support, making it ideal for heavy use. Our office chair is designed for easy assembly, with all necessary tools included in the package. The clear instructions make the setup process quick and straightforward, so you can start enjoying your new chair without any hassle. Additionally, we offer a 1-year warranty, giving you peace of mind and confidence in the quality of our product. Dimensions: 35.4"-38.5" H x 24" W x 19.6" D Seat Height: Adjustable from 16.9" to 20.4" Backrest Height: 17.3" Weight Capacity: Up to 300 lbs Material: Stainless steel casters, high-density foam cushion, aluminum alloy frame Warranty: 1 years