Futon according to the structural principle can be roughly divided into two folding beds and triple beds, two folding beds is relatively simple structure of the bed on the other side turned up on a sofa, lay down on the bed as shown in Figure: & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; like to see the back of this sofa bed becomes a flat bed, sofa bed in such a structure that is easy to use and convenient, the only downside is that after the volume becomes too large sofa, enough space for family day it is not so ideal. Compared to this, the following triple bed can solve the problem. Sofa bed folded length of the folded width of the original bed, so the folded size of the sofa will be reduced a lot, save a lot of space, style is also very stylish, as shown below. & Nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; This Futon by the three folding sofa bed off as a very simple, bed end up turning into a cushion, bed turned up into the backrest. Now with two pillows & hellip; & hellip;