... out bed mechanism 2, from sofa to bed in seconds 3, easy assembly 4, small package, 520pcs/40HC A contemporary style ... , easy assembly, the assembly instruction will including in every package3, pack by carton box, small package, 520pieces /40 HC container.4 ... , 3 folding bed mechansim, offers 3 different rest position: sofa, lounge and bedDimension:1 ...