SIHOO Ergonomic Office Chair C100-B101

1. High quality full mesh upholstery 2. Headrest and backrest: Sectional lifting mechanism 3. PA + fiber backrest with lifting function, seatback linkage support system 4. Elastic, double lumbar support, self adjustable 5. 3D armrest with PU surface cover 6. Class-4 chrome gaslif, passed BIFMA test 7. PA base 8. PU castors 9. with footrest