This silicone milk storage bag comes with nipples and a cleaning brush,made of food grade silicone and free of bisphenol A, PVC, and phthalates. It is a reliable material for storing precious breast milk, safe for refrigerators and freezers, and safe for hot water/steam/microwave.. Reusable breast milk storage bag: The silicone freezer bag can be reused, helping to reduce the environmental impact of disposable plastics, making it an excellent alternative to disposable plastic breast milk storage bags! Equipped with silicone sealing plugs, it has good sealing performance, ensuring the safe storage of your liquid gold without any waste, and is easy to carry when traveling. Breast milk bags have a large opening that makes it easy to pour breast milk in or out. They are also self-supporting and can be stored lying or standing,keeping your room in the refrigerator. You can also store other liquid and paste foods, such as juice and Rice noodles. Once you have used up your breast milk, pour the milk into the bag and forcefully push the leak proof plug.