amseatec Office Chair Ergonomic Desk Chair,350 LBS Home Mesh Office Desk Chairs with 3D Adjustable Lumbar Support,5D Flip-up Arms,2D Adjustable Headrest,Comfortable Computer Gaming Chairs(Black)

Highlights

• Full Ergonomic Support : 5D armrests, 4D lumbar support, 3D headrest, and 4-level recline lock. Provides tailored support for head, back, hips, and arms, forming a complete sitting posture support system
• Thick High-Resilience Cushion + Breathable Mesh : Thick, high-density, high-resilience foam cushion helps relieve pressure on hips and thighs during prolonged sitting. The surface features a three-dimensional weave breathable mesh that allows natural air circulation, reducing heat buildup
• Quality Materials & Certified Reliability : BIFMA certified. Materials and structure meet global office furniture safety standards. Load capacity up to 350 lbs (159 kg). Stable, no wobble or noise. Suitable for daily high-frequency, long-term use
• Quiet Operation & Effortless Mobility Gas lift tested to BIFMA for rotational and impact durability, paired with a 360° swivel base.High‑resilience silent casters protect floors while enabling quiet, smooth movement. The chair maintains low noise during rotation and rolling
• Warranty & Quick Assembly : Assembly tools included. Setup takes 20–30 minutes. Comes with 1-year warranty and customer support for repairs or inquiries