Why Choose Our Ergonomic Office Chair? S-Shaped Backrest – Mimics the natural curve of your spine to support posture 6D Plastic Armrests – Adjustable in height, width, depth, and angle for full arm support Plastic Frame + Special Fabric Backrest – Provides breathable comfort and reliable support Front and Rear Sliding Reclining Tray – Smooth seat and back adjustments for tailored comfort 3-Level Air Cylinder – Certified lift allows secure and smooth seat height control 330PP Chair Legs – Strength-tested to hold up to 800kg for reliable daily performance 50-38 Edge PU Wheels – Move quietly and smoothly without scratching your floors Built-In Footrest – Extend and retract to support your legs during breaks Adjustable Seat Cushion – Slide forward or backward to match your sitting position.