With a simple and clean design, the GRAKULLA sofa bed is more than meets the eye. The GRAKULLA sofa bed is a sofa, chaise and double bed in one. The mattress and cover are sold separately. Choose a combination that suits you. The 3 1/2″ thick polyurethane foam mattress provides firm sleeping comfort. It is adjustable back allows you to sit, relax and lie down. The sofa bed is unfinished. It can be stained, lacquered, waxed or oil treated.