Plus a little idea of "anti-lost"
When the mask belt is not in use, or when you remove the mask after you go home, the hooks on the left and right sides of the mask belt are attached to the bag and put it on.When the mask belt is not in use, or when you remove the mask after you go home, the hooks on the left and right sides of the mask belt are attached to the bag and put it on.It can be wrapped around your wrist like a bracelet.