Ameda's Store'N Pour Breast Milk Storage Bags are a convenient storage solution for your breast milk. With use of an adaptor, these bags are compatible with all Ameda® HygieniKit® Milk Collection Systems. The unique flange adaptors easily attach to pump kits and channel milk flow below the zip seal to prevent milk loss. The gusseted bottom allows filled bags to stand on their own, and can be stored in your fridge or freezer. When time to use your stored milk, the innovative pour spout below the zip seal allows for easier transfer into a feeding container, and the the zip seal bags are simple to close when finished and won't leak. The Store'N Pour Breast Milk Storage Bags are BPA and DEHP free.