EXTRA STORAGE: The Ameda Breast Milk Storage Bottles can be used to safely store expressed milk in the fridge or freezer. Clearly marked to measure your milk, they have space for clear labeling & universal threading compatible with all standard pump kits.EASY CLEAN: These easy-to-use bottles come with 2-piece lock-tight bottle caps to protect your milk during storage. The caps and bottles are dishwasher and freezer safe, so you can easily clean bottles between uses and freeze breastmilk for longer storage.SUPPORT FOR YOUR PUMPING: As part of our mission to empower you achieve your breastfeeding goals, we provide a wide suite of breast pumps, breast milk storage and nursing and pumping accessories to make your experience more comfortable, safe & convenient.THE FIRST NAME IN BREAST PUMPS. Each of our highest quality breast pumps are made with what we call The Ameda Difference. Our breast pumps have been used by top healthcare institutions and millions of mothers to provide the best nutrition for their babies.QUALITY BEYOND COMPARE: The Ameda Difference means we stand by our breastfeeding products. Compare Ameda's line of breastfeeding aids and pumps to products from Lansinoh, Baby Baby, bamboobies, elfinbaby, NatureBond, Milkies, Motherlove, Little Martin's.Easily collect and store pumped milk. Safely store in refrigerator or freezer. Made of polypropylene, without BPA.