General description The SIHOO M59AS Ergonomic Office Chair is designed for comfort and support during long hours of work or study. Featuring 3D coordinated flip-up armrests, a double back design, and adaptive lumbar support, this chair adapts to your body movements, ensuring a cozy experience whether you are working, studying, or relaxing. Technical specifications Weight capacity: 150 kg Hydrostatic pressure test: 1136 kg Other information High-quality dragon mesh for breathability and durability Certified by BIFMA and SGS