Lansinoh breast milk storage bag is specially designed with convenient pour spout for transferring milk into a bottle. The bags can be stored flat in the freezer, taking up less space and making them easier to thaw. It has issue pack dispenser for easy access and storage and a double zip closure and tamper-evident safety seal. </br>Features: </br>Tissue pack dispenser for easy access and storage. Patented double zipper seal for no leaks or spills. BPA free.