Urban Shield face masks are designed based on the recommendations of the World Health Organisation (WHO).

WHO states that a face covering should:

1. Cover your nose and mouth while allowing you to breathe comfortably
2. Fit comfortably but securely against the side of the face
3. Be secured to the head with ties or ear loops
4. Be made of a material that you find to be comfortable and breathable, such as cotton
5. Ideally include at least two layers of fabric or even three, depending on the fabric used
6. Unless disposable, it should be able to be washed with other items of laundry according to fabric washing instructions and dried without causing the face covering to be damaged. Thus, tumble drying is not advised.

Urban Shield face masks check all of the above boxes.