The chair is made of high-quality faux leather and the interior is filled with a high-density sponge and no transformation even in long-term use. The cushion and backrest are soft and comfortable, providing you with the best experience. not only can you adjust the height of the chair to suit your needs, but you can also adjust the angle(90 - 150 degrees) of the seatback. You can sleep comfortably in your busy work instead of terrible sleeping. Upholstery Colour: Black/Red