SIHOO M59AS Ergonomic Office Chair, High Back Mesh Office Chairs with 3D Flip Armrests and Headrest for Adults, White, 300lb

【3D Coordinated Armrest】SIHOO M59AS office chair's armrests are not only adjustable from front to back and left to right, this ergonomic chair features a smart linkage design that adjusts to your movements, offering optimal arm support at every tilt angle, the soft PU padding adds a layer of skin-friendly comfort. 【90°Flip-up Armrest】The armrests of this desk chairs are designed to flip 90°and can be placed underneath your desk to save space. 【Double Back Design and Adaptive Lumbar Pillow】The back of this ergonomic office chair features a double backs and separated backs design that better conforms to your spine's natural curve, along with adaptive lumbar pillows that automatically adjust to your body movements. 【Saddle Shape Cushion】 The wide cushion of this office chair adopts saddle shape design, which fits the curve of the buttocks and legs, effectively relieves the sitting pressure, provides effective support and does not cause pressure on the legs at the same time, high-quality dragon mesh, comfortable and durable, ventilated and breathable, and will not feel stuffy when sitting for a long time. 【High Quality Mesh Office Chair】The SIHOO M59AS mesh office chair is BIFMA and SGS certified, with a hydrostatic pressure test rating of 1136 kg, it supports a maximum weight capacity of 150 kg. For any inquiries, please feel free to contact us.