[M size]
It is sized for women or for men, especially those with small faces.

The "small" size of commonly sold disposable masks is just right.

If you are using a larger size than the above mentioned disposable masks, you may find that there is a big hollow in your armpit.
In any of the above cases, we recommend size M.

In the case of an employee who was using the "smaller women's" size (14.5cm wide and 9.5cm long) of a disposable mask, this prime effect mask was a perfect size in size M with the strap adjustments.


[Size L]
This is the "adult" size of the commonly sold disposable masks.

If you're not sure which size to choose.
If you are not sure which one to choose, we recommend the larger one.

Even if it's a bit large, you can adjust the straps to fit your face and cover it more tightly over a wider area.