Adjustable Lumbar SupportGABRYLLY Ergonomic Office Chair features 2-way adjustable lumbar support (3" vertical & 1.6" horizontal) that dynamically conforms to your lower back, reducing fatigue and improving posture during extended sitting. Professionally tested by SGS and BIFMA, this chair supports up to 300lbs with high-grade durability, ensuring long-lasting comfort and safety for all-day productivity. Recline & Work in ComfortThe 135° reclining chair offers 3 adjustable positions (90°/110°/135°), allowing you to lock the chair at your preferred angle for a comfortable lounge experience during breaks or naps. Seamless transition from work to rest. With dimensions of 20.6x19.1x42.7~48.8in(WDH), the office desk chair is designed for users between 5'3" and 6' tall, ensuring a perfect fit for your workspace. Rest Your FeetThe retractable steel footrest extends up to 18.1" for stable, comfortable leg support, while the reclining backrest allows you to