Is South Korea's Sanhua electric blanket safe?

Safe. By checking the official website of South Korea's Sanhua Electric Blanket, we learned that South Korea's Sanhua Electric Blanket is a product that has passed the safety certification of the official website and is very safe. Electric blankets, also known as electric mattresses, are contact-type electric heating appliances. Specially made soft cord-type electric heating elements with standard insulation properties are woven or sewn into the blanket in a snake-like shape. When energized, they emit heat.