A medium-feel sofa bed, layered from high density foam to soft memory foam, the mattress is designed for good support and comfort. No awkward bars, bad coils or uneven spots. The Sofa back rest has 4 multiple angle positions so you can adjust to your perfect level. Relax by tilting back the entire backrest, so you can lounge while watching a movie. The structure frame is built with ISO certified eucalyptus wood for extra strength and durability.