Yuriko more durable & nbsp; sitting on a sofa during the day, at night sleep on the sofa, sofa bed firmness, it is very important. But the quality sofa bed can not discern from the appearance, by no means can try to sit within thirty-five minutes out, so you have to be careful in the selection. Good sofa bed, we must first have a spring mattress moderate hardness, and have a high resistance to stress can increase the weight of the human body divide, good ventilation in order to maintain health. Good spring mattress, care should strengthen support functions to relieve the burden on the day of the vertebrae, allowing you a good night's sleep. In addition, adjustable grid sofa bed is indispensable. It is a stripe of wood, there are different carrying capacity, can be precisely adjusted according to each person a different size and weight, fatigue can make your body and stretch the muscles with average body weight, to be released. & Nbsp; face to engaging & nbsp; sofa bed face varied: some arm of the sofa can be put into a ninety-degree flat bed, mattress straight out from the seats; some flip sofa seat formed double sofa bed. . . . . . The surface of the material for ease of breathable, removable wash better, less significant dirty colors wove, currently very popular with consumers. & Nbsp; on cleaning and maintenance, shall from time to time on weekdays with a hair brush to remove dust or dust concentrate then vacuumed, do not flap forcibly, to avoid unnecessary weight load, so as to prolong the life of the sofa bed. & Nbsp; # love home decoration & nbsp; # www.ijzs.com & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp;