Easy to carry, so you can use it indoors or wherever you go. Lying down and lounging or keeping you warm on TV or reading. Put the main unit in a poly bag and put it between the futon for about 3 hours to repel dust mites. Electronic control for reliable control. Free-moving slide switch allows you to set the temperature to your preference. Even if it gets dirty, the unit can be washed in the washing machine, so it can always be clean; Size: Approx. 70 x 31.5 inches (180 x 80 cm); Electricity bill per hour). Material: 10 cm).