When looking for the perfect mask size, there are three styles you can choose from on the Redbubble marketplace: fitted (regular and small), flat adjustable, and kids (small and extra small).
Here you can see the difference in measurements and styles. You can measure your favorite, best fitting mask, and compare it to the different mask sizes and styles available to find the perfect one for you.
Flat & Kids Masks
|Fitted and Flat Masks are not for use by children under age 13. They should also not be placed on young children under 3 years of age, or anyone who has trouble breathing, or is unconscious, incapacitated, or otherwise unable to remove the cover without assistance.