The Attachable Breast Milk Storage Bags Kit allows moms to pump, store and feed babies breastmilk all in one simple product! This NEW system is convenient for busy moms and prevents the exposure of germs and outside contaminants that are often present when transferring milk from one storage solution to the next. This Kit includes a Bottle Connector and 10 Milk Collection Bags. The Bottle Connector easily connects to a Spectra flange when pumping, and seamlessly converts a wide nipple connector when choosing to feed directly from the bag. All Spectra Milk Collection Bags are double lined and provide a strong seal ensuring leak-free insulation moms can count on. Assembly is intuitive, clean, fast and easy—making it a must for mom and baby!