57 inch yellow sofa Soft two armrests throw pillow pillow comfortable fit apartment bedroom small W16581351071. The clustered back and seat, well distributed stitching makes it more comfortable. This multifunctional sofa bed makes the home environment of small spaces more casual. Perfect for any apartment or studio to enhance living and working comfort. 2. Can be turned into a bed: The back of the sofa can be put down as a bed. Get ready for overnight guests and take advantage of the adjustable back to switch from sofa to comfortable bed in seconds. 3.