Dimensions: 87W x 37D x 35H in.. Robust wooden frame with rounded feet. Coverts into sleeper mattress. Chic and versatile gray polyester upholstery. Padded with high-density foam for comfort. Square button-tufted look. Who says your sleeper sofa can't complement your room design? The Diamond Sofa Express Convertible Sofa is a handsome, mid-century style sofa that conceals a plush queen-sized mattress beneath its cushions, offering a perfect place to put up guests for the night. The frame of this piece is built from thick wood with round, tapered feet. Layers of dense foam pad the frame, which is upholstered in a durable and chic gray polyester. The seat and back cushions come with a deep, square button-tufted design for a fetching finishing touch.