Now pump, store, feed, and more with Avent 10 Reusable Breast Milk Storage Cups, SCF618/10. It is uniquely designed to entertain multiple purposes with one cup. Its compatibility with other Philips Avent products helps make it useful in many ways. These cups are small and efficient for keeping track of amount, date and time of the content. Its leak-proof, twist-on lid ensures that the content does not come out and create mess. It is an ideal way to store milk and carry it along while you are on the go.