The premium PU leather can withstand the sun and rain.Equipped with headrest and lumbar pillow. When your neck feels sore from gaming or working with head down for a long time, the headrest will relieve your fatigue. We never hesitate to apply materials. Armrests must be padded from the position of the elbow to the wrist, built-in metal frame must be wider, and the foam under the leather must be rich, it can’t collapse as if we are sitting on a hard stone when leaning up.