The mayor of London has called for face masks to be compulsory while travelling in London during the coronavirus outbreak

Cloth face coverings should fit snugly but comfortably against the sides of the face

Secure with loops or ties

Must be able to be laundered and machine dried without damage or change to shape

Include multiple layers of fabric but allow for unrestricted breathing

Khan added that people should not buy surgical masks, but wear face coverings such as bandanas, scarves or reusable masks

Khan added that people should not buy surgical masks, but wear face coverings such as bandanas, scarves or reusable masks

Secure with loops or ties

Cloth face coverings should fit snugly but comfortably against the sides of the face

Include multiple layers of fabric but allow for unrestricted breathing

Must be able to be laundered and machine dried without damage or change to shape