Comfortable: Made of PU leather with added seat cushion and lumbar & headrest pillows for comfort Dimension: The size of the gaming chair is about 20.86"L x 18.9"D x 19.68"-23.6" Features: Ergonomic design, adjustable height, 360° swivel & 5-star wheels built with heavy duty Adjustable Backrest: With a 90°-150° safety angle & 2 open area, shows that seat back is more wider Adjustable Armrest: Keep your hands in a more comfortable position to play games or work better