This sofa bed features an ingenious design, easily converting between sofa and bed to meet your needs in different scenarios. The trundle bed is simple and convenient to use; no complicated operations are required to have a comfortable sleeping or resting space. Whether in a small apartment or a corner of the living room, it can fit perfectly, improving space utilization. The built-in trundle bed can be easily extended into a large sleeping space, satisfying daily use and guest-receiving needs. Its simple outline not only enhances the style of modern homes but also offers high practicality.