This sofa bed uses high-density sponge as the filling material. The sponge is very soft, provides even support, and can quickly return to its original shape, making the sofa bed easy to maintain its form. The outer layer of the sofa bed is covered with a breathable, durable fabric; not only is it comfortable to the touch, but it also adds a modern vibe to your living space.Experience the ultimate in furniture versatility with our 2-in-1 convertible loveseat sleeper. Dimensions: Note: The sofa is compressed and vacuum-sealed for convenient transportation. After opening the package, please let it breathe for 72 hours to return to its original shape and size.