Lansinoh Breastmilk Storage Breast Pump Bottles, 4 Count

These breast pump bottles can be directly pumped into using the Signature Pro, Smartpump, Smartpump2.0, or Manual Breast Pump. You can also transfer milk from any breastmilk storage container or bag, pump bottle, or breastmilk collector. Each milk storage container can safely store breastmilk in the freezer or fridge for later feeding to baby