Ergonomic Mesh Office Chair SIHOO

https://sihoooffice.com/products/sihoo-doro-c300-ergonomic-office-chair Supports up to 330 lbs Environmentally certified by BIFMA and TUV for quality and safety 4D adjustable armrests and multi-adjustable headrest for maximum comfort Flexible backrest and self-adaptive lumbar support for consistent waist support Streamlined seatback and waterfall-shaped seat for a lighter, ergonomic experience