【ERGONOMIC CONSTRUCTION】adjustable seat height and angle of the backrest, height and pleasant backrest, armrest with a simple but practical design in soft eco-leather, removable head cushions, good for hip support. 【ADJUSTABLE DEGREES】backrest can be adjusted from the angle of 90 degrees to 180 degrees, so you can lie directly on the chair after sitting on the computer for a long time, so you can adjust the chair according to your own wish/custom. 【SEAT HEIGHT TO FLOOR】from 46cm to 56 cm, ideal for your legs; backrest: from 90 degrees to 160 degrees, ideal for different sizes and seating habits; load ability up to 150 kg by a tested lever mechanism. 【STABLE AND DURABLE】Premium leather cover, sponge padding and solid iron ensure good stability and durability. The load capacity is 150 kg. The selected leather cover provides a smooth and firm texture with a waterproof, lightweight and deformable surface. 【SAFETY AND STURDY】5-piece sturdy and flexible safety rolls made of high-quality material ensure smooth and free movement without damage to the floor and noise while ensuring a long service life for consumption.