Underwear generally needs to be washed separately, and it is necessary to prevent squeezing during the washing process, otherwise a perfectly fitted perfect underwear may be unwearable after a single wash. When washing, the hooks of small clothes often catch other clothes, and stockings and other clothes are entangled into a mess, and they cannot be untied. Now with the bra protective washing bag, the unique shape design, with circular plastic supports built-in according to the square chest structure. The special protection layer, even if it is rolled in the washing, will not open. It is thoroughly cleaned. It can not only be used to wash underwear, but also can be dried inside, solving the trouble of underwear afraid of exposure and hanging deformation!