Black Mesh Ergonomic Office Chair - Adjustable Lumbar Flip-up Armrest Swivel Black 22.1*22.1*42.5

Ergonomic Office Chair: The office chair contours to your body's curves, offering 4 key support points for your back, lumbar, hips, and arms. The S-shaped backrest helps maintain optimal spinal posture. The 120°backrest recline function aids in spinal alignment, reducing lumbar pressure from 8+ hours of work, study, or gaming. The desk chair with 4" of vertical seat height adjustment, it easily adapts to various desk heights and user statures
Comfortable Mesh Office Chair: The Y-shaped ergonomic desk chair comfy features a ventilated mesh back and high-resilience foam cushion for enhanced airflow, keeping you cool during long hours of sitting. The office chairs cushion is padded with 3.9" of high-density memory foam, designed to evenly distribute body weight, improve sitting posture, and offer the perfect balance of softness and support—maintaining its shape even after years of use
3D Office Chair with Lumbar Support: The ergonomic computer chair comes with a lumbar adjustment knob, enabling flexible lumbar support adjustments—1 inch forward/backward and 2 inches up/down. The innovative 3D support system provides targeted support to maintain the natural curvature of the spine, conforms to your body's contours, reduces back pressure, improves sitting posture, and eases back fatigue from long work hours
Multipurpose Ergonomic Chair for Desk: The home office desk chairs features a space-saving design with 90° flip-up armrests, suitable for home, office, bedroom, study, dormitories, and game room. The 360° swivel base with smooth-rolling casters ensures easy mobility, while the sturdy 5-star base evenly distributes weight for stability. The ergonomic comfortable desk chair with durable gas lift and explosion-proof base support up to 350 pounds
Customer Service: This office desk chairs can use as a computer desk chair, swivel chair, rolling chair, work chair, task chair, teacher chair, home office chair, or a study chair for adults, teenagers, and children. The package includes an assembly manual and tools for quick setup.