3-Seater Sofa. L-Shaped Sofa. Single Sofa. U-Shaped Sofa. What is even better is the extra cushions and pillows that make you not want to leave the sofa at all. The backrest of the sofa adopts a hardwood triangle structure, and the inclination angle is ergonomic, making the back close to the sofa.The surface of the sofa ismade of Polyfiber (linen Like Fabric), and the seats are filled with high-density foam to ensure softness.