Lansinoh Breastmilk Storage Bags, 6 Ounce, 200 Count | Baby Essentials, Leak-Proof, Fast Freeze & Thaw Breast Milk Bags for Baby Bottle Feeding, Strength & Stretch

Full disclosure — I'm a proud grandpa writing this one on behalf of my daughter, who specifically requested these Lansinoh Breastmilk Storage Bags and swears by them. My wife picked them up, and let's just say our daughter was very happy with the delivery. When a new mom has a strong opinion about a product, you listen — and she has made it crystal clear that these are her go-to breastmilk storage bags, no debate. From what she's told us, the bags seal securely and she's never had a leak, which when you're talking about stored breastmilk is honestly the whole ballgame. The pre-sterilized bags give her peace of mind, and the write-on label area makes it easy to track dates and quantities — a small detail that turns out to be a really big deal when you're sleep-deprived and running on fumes. The double-zipper seal apparently gives her extra confidence that nothing's going anywhere, whether the bags are in the fridge or the freezer. The 100-count package is also a practical win — it's one less thing she has to reorder constantly during an already hectic season of life. Good value for what you get, and the quality has been consistent across the whole box. If I'm being honest, I don't have any complaints — and more importantly, neither does she. When your daughter finds a product she trusts for something this important, you just keep buying it. Hope this helps — and congrats to all the new moms out there!

I LOVE these storage bags!! I have purchased different brands and sizes, but these have been my favorite. I only have had 3 bags leak on me ever after thawing. They thaw very quickly (I recommend no more than 5 oz per bag for quicker thawing), and we’ve seemed to have no issues with freezer burn or taste alterations once frozen (based on that my child never refuses the once frozen milk). They fit great in “brick” form, the zipper is reliable, and they are easy to use and mark. They are recommended for single use, but the fact that 200 bags come per order is helpful so that you aren’t ordering more bags constantly!

After discovering that Madela bags can make your milk smell and taste rancid, I switched. But, I also did a little comparison work: Lansinoh bags can hold up to 6 ounces of breast milk. Medela bags can hold up to 5 ounces of breast milk. Lansinoh: On the simplest level, the Lansinoh bag is easier to open and pour milk into than the Medela bag. The reason I find it easier is because of the material the bag is made out of and the bag is more pliable. You open the bag by removing a small strip that is perforated on the top. There are two seals on these bags, which is a huge plus. It's a comfort in preventing leaks. The reason why Lansinoh wins the freezing process is because they lay flat very well. I've found that when laid flat, the bag freezes into a solid rectangle of milk that is consistent in thickness. It is also easy to "stack" once frozen which is very helpful for organizing. It's also important to squeeze all the air out of the bag which is much easier to do since there is not a large plastic section at the top, like in the Medela bags. Medela: The Medela bags have the ability to be attached directly to a pump. As a result, there is a large plastic area on the top of the bag that is perforated. This makes these bags a little bit more awkward to open. Lansinoh: Since these bags are fantastic for the freezing process, they are easier to thaw because they are consistently the same thickness. They look like a perfect rectangle of frozen milk. Or you can freeze the bag standing up. My husband loves how easy it is to thaw these out. Way easier than Medela. Medela: Bag leaks when you thaw it and sometimes they leak in the freezer (which really is a mess). This is because there is only one seal instead of the double seal on the Lansinoh bags.

These are my personal favorite bags because of their shape and that you aren’t writing with sharpie/marker directly onto where the milk is. This makes me feel safe that no amount of sharpie will bleed into the bag (even if people argue it’s just a tiny amount i don’t care, there is a reason they use IV labels instead of writing directly onto the bags). They fit great in the freezer and do freeze flat when used correctly. I personally have had no issues with leaking and the seal zipper works as intended. Will be purchasing more.

Hands down the best breast milk storage bags. I’ve tried all sorts of different ones. These store the best with taking the least amount of space. Can freeze pretty flat compared to other bags. And they do not leak.

I’ve tried a few different breast milk storage bag brands, and in my experience, Lansinoh has been the best quality by far. They’re thick, durable and freeze really well. Across both of my sons, I’ve had only a few bags ever break — which is amazing compared to other brands I’ve tried. They freeze flat, which is great for storage capacity in the freezer and makes thawing much quicker. I also appreciate that they’re BPA-free and have the tear-away tops so you know the bag is completely sealed before and overall very easy to use. While I normally don’t pump directly into bags, these are designed for that option if you prefer — just keep in mind you may need an adapter if you’re not using a Lansinoh pump. I go through bags quickly, so I love that you can buy a 200-count box to cut down on constant reordering. The price is affordable too, especially for the quality. Highly recommend these for pumping mamas!

I used the Medela bags when I first started pumping. So you know, I pumped for a year with my first child and have been pumping three months so far with my second so I have a lot of experience storing milk. Here are the issues I had with them: - Medela bags only hold 5 ounces and will not close properly if more is added; - Medela plastic is firmer which I didn't like; - Medela bags only have one seal and it's not dependable. The milk in some of the fuller bags (4-5 ounces) I put in the freezer expanded and the seal came apart and the milk spilled out!! I lost many bottles of milk using these bags; and, - Medela bags ounce measurement lines aren't accurate (at least from my experience. Why I love the Lanisoh bags: - Lanisoh holds 6 ounces or more of milk. It is riskier to put more milk in but I have put 7-8 ounces in many times and even frozen it and haven't had any issues. - Lanisoh is made of softer plastic which I love for two reasons. One, you can more easily get the air out of the bag and seal it. Two, when the milk chills the fat of the milk rises to the top and also tends to cling to the sides of the bag. What I do to mix the fat back in is take my finger nail on the OUTSIDE of the bag and gently scrape the fat into the rest of the milk The soft plastic makes this easy to do. - Lanisoh has two seals and they work! I have even held a full six ounce bag upside down for a couple seconds and it didn't leak at all. I have frozen 100+ of these bags and never lost any milk for any reason other than that it was too old : ) Only reason I gave these bags 4 instead of 5 stars is that I can't easily pump straight into the bag like you can with the Medela ones. However, I have taken the medela bag pump attachments and pushed the sides of the Lanisoh bags onto the attachments so they hung like the Medela bags. It does work but it is not as convienent and not a dependable way to pump. Instead, I usually pump into Medela bottles and pour the milk into the bags. Some reviewers have had issues with these bags which is unfortunate because I have used upwards of 200+ of these bags in the fridge, freezer, and travelling and have not had one singe issue.

Great bags! Easy to use, pretty stable, material was nice and was pretty durable. Appearance is as showed in picture! Great size.

Perfect for storage. Loved it

Muy comodo el doble cierre y el espacio para marcarlas. Se pueden almacenar de pie o apiladas por lo que ahorras mucho espacio en el congelador y quedant muy bien puestas.

This was the first BM storage bag that I tried and I thought all brands must be the same.. Boy, was I wrong! I tries another brand (bcz I urgently needed next day delivery which Lansinoh didn't have then). That was my worst mistake! Anyway, I never faced any issue with Lansinoh bags.. they r very easy to use and have never leaked. The price is on the higher side but now I know why! There is a big difference in this brand and others! Going to order again

Is the best bang for the buck on the market for this class of products. Double zip seals well, bag stands upright when filled, and the volume marks are reasonably accurate. Freezer space-saving. Highly recommended.

I used these bags for the whole 12 months of bfeeding. Not once did they leak and I loved the double seal on the top so that I could release the air prior to sealing and save space in my freezer. I used a sharpie pen to write on the bag.