2. Wash-free down jacket is the same as ordinary down jacket. Be careful not to wash too many times. Especially water cleaning, as long as you use some cleaning spray, you can clean the stains on the surface. Otherwise, it is harmful to the fabric of clothes. If there are stubborn stains, you can send them directly to the dry cleaner, which will save trouble. Down jackets should be cleaned when stored. The down inside the down jacket is animal fiber, which can't contain too much water and is easy to smell moldy. Now there are many bags selling down jackets in vacuum on the Internet, which is a better way to keep down jackets, and it is also relatively simple and does not take up space.