1.1: PORTABLE Thanks to the design, the folding bed allows you to have a comfortable night's sleep no matter where you are. It can also be stored neatly when not in use. It does not take up too much space and is very suitable for travel. 2.2: SUITABLE FOR: The 4fold mattress unfolds in seconds and is for unexpected guests, college dorms, camping, travel, yoga, RV or tent. It is filled with density foam, which does not collapse or deform easily after prolonged use. It can be used for a long time. 3.3: Removable Cover: For easy care, the removable cover can be zipped and is machine washable. The removable cover of the sofa mattress is made of quality materials that do not fade after repeated cleaning and look good after longterm washing. 4.4: Skinfriendly Material: The surface of the single mattress is made of soft, skinfriendly fabric, which is delicate to the touch, has a soft texture, and is moistureabsorbent and breathable. The removable cover is fashionable and simple, and does not deform easily after stretching, giving you soft comfort.