SIHOO M18 High Back Ergonomic Chair-2 Colors Product overall size W70 x D70 x H112-129cm High-quality mesh (backrest) Height & angle adjustable foam cushion headrest Height and depth adjustable lumbar support PP back frame Foam seat cushion 2d (up/down) Nylon functional armrest with PU cover Multi-functional mechanism with recline/tilt-lock feature Polished aluminum base 350mm TUV-3 chrome gas lift D100 PU castor RATED WEIGHT CAPACITY: 150 KG Self assembly require Made in China