It is said that there are more than 20 million low-birthweight babies every year around the world. And more surprisingly, more than 4 million die within their first month. To solve the problem, a company invented a new kind of product.The product is small and light, and it looks like a tiny sleeping bag. Besides, it is made of a special material. This kind of material can keep a constant temperature for more than 6 hours. At the same time, it can provide heat for babies, which makes babies feel warm and comfortable.Generally speaking, it’s such a great invention that it can help save more babies.There is no doubt that it will make a great difference to some families in need.