Frida Baby Nosefrida With Travel Case it's totally safe hygienic baby booger buster (for parents AND baby).HYGIENIC: Disposable filters are clinically proven to prevent the transfer of mucus or bacterial germs to the snot sucker when clearing stuffy noses. Replace filter after every use.COMFORTABLE + NON-INVASIVE: NoseFrida creates a seal with the outside of the baby's nostril for gentle snotsucking.DISHWASHER SAFE. PEDIATRICIAN RECOMMENDED: BPA + Phthalate-free. Safe for all ages. Includes 1 NoseFrida aspirator and 4 Hygiene Filters, and 1 Travel Case.