These are not top grade medical stuff, but they’re a very easy and quick alternative to make before you go shopping. Even kids can make them in under 5 minutes ! And if the tee-shirt is your size, the mask should fit your face fine. With one tee-shit you can make two masks. Go to the end to hear the explanation about how to wear it.
Some Australians not allowed to go out under lockdown realized getting the trash out was one of the only things they were allowed to go out for… and took the opportunity to go out in their best clothes or in fancy dress! ^^