LARGE armrest and high back for a sofa with an imposing shape but a cozy soul. A practical and washable sheath covers the mechanism ensuring separation between the mattress and wire mesh. The roller attached to the backrest serves as the headboard when the sofa converts into a bed. The MEDIUM armrest gives a slender and elegant trend to the sofa and ferries it to the SMALL armrest suitable for solving complicated space problems. The roller attached to the backrest serves as the headboard When the sofa turns into a bed. Easily removable cover.