Ergonomic design to reduce fatigue. The cushion is filled with soft sponge and doll cotton to ensure that the cushion supports and maintains the shape of the cushion for a long time. Covered in breathable cat scratch skin, it combines durability with ease of maintenance. Solid wood multi-panel frame and round carbon steel base ensure stability, while manual adjustment provides sitting, lying and rotating flexibility to suit your mood. With mobile phone stand, free hands, stable without shaking.