Sihoo Doro C100 Ergonomic Office Chair 4D armrest Gaming Chair Class 4 TUV Gas Lift Computer Chair Gaming Chair for Study Game Chair 西昊人体工学椅 - 3 Years Warranty

Sihoo Modern Mesh China. PA with fiber headrest, height, back and forth and angle adjustable. Triangle design soft rubber support lumbar support, 4 gears on height adjustment, S-shaped abckrest to fully support the back of human, PA with fiber automatic domino lumbar support, Multi-functional mechanism, height, reclining and sliding cushion adjustment, Curved seating cushion, highly support the thigh of human, 4D armrest, ultra-soft thickened armrest surface, 65MM height adjustable, 60 degrees inward/15 degrees outward rotation of the armrest angle, 35MM back and forth adjustment. Class 4 TUV gas lift, D100MM-40MM, international SGS and USA BIFMA certified, Steel base. Slient PU castors. 1 PA with fiber headrest, height, back and forth and angle adjustable2 Triangle design soft rubber support lumbar support, 4 gears on height adjustment, S-shaped abckrest to fully support the back of human, 3 PA with fiber automatic domino lumbar support, 4 Multi-functional mechanism, height, reclining