Thank you for viewing. This is a set of 30 disposable children's masks featuring Sanrio characters, 5 types x 6 masks each. #HelloKitty #MyMelody #KikiLala #Cinnamoroll #Kuromi Non-medical use. These masks are for preventing pollen, dust, and droplets, and do not have the effect of blocking viruses. Although individually packaged, these are hygiene products. Please refrain from purchasing if you are concerned about them having been handled by someone else.