S-curve design fits the human body Oversized waterfall sponge cushion Supportive and breathable mesh backrest 1.97in up/down and 1.57in front/rear lumbar support Padded U-shaped armrests and metal armrest holders 20-minute installation paper guide and installation video Includes all installation tools including gloves Three-position recline locking adjustment - 110°-126° Adjustable up/down and front/rear headrests 3.94in overall height adjustment High-strength steel detachable chair base Maximum weight capacity of 300 lbs Fits heights 5'3' to 6'3' BIFMA certified