If you’re a breastfeeding mom, you know that your supply is precious. That’s why a reliable, leak-proof breast milk storage bag is so important. The best reusable ones are BPA-free and made of food-grade plastic (look for an FDA-approved recycling symbol) that seals securely. You also want a wide mouth to make pumping and pouring easy, along with labeling space to write the date and quantity of each feeding. They also need to lay flat for efficient freezer storage and thawing.
We recommend these BPA-free bags from Lansinoh. They’re a top seller on Amazon, with nearly 90,000 five-star reviews. They’re inexpensive, but still made of thick plastic and feature a double-zipper lock that won’t leak. They’re designed to be pumped directly into, with an optional adapter, and they store well. They’re also very affordable, laying flat and evenly in the freezer and costing less than 13 cents a bag.
Another great option are these BPA-free storage bags from Target’s exclusive up & up brand. They’re cheaper than many other options on this list, but they’re durable enough that women swear by them. They’re not as spacious as others on this list, with a space at the bottom to write in the date and amount and no ounce markers, but they do have a double zipper that’s tough against spills and the screw thread cap is virtually leak-proof—we’ve literally thrown them at the ground without a drop.
Another good choice are these breast milk storage bags from Nuk. They’re affordable and have a double-zipper lock that won’t let your precious liquid escape. They’re not as spacious as other options, but they do have a space at the bottom to write in your date and amount and they can stand upright with their gusseted sides. best reusable breast milk storage bags