Discover Best Breast Milk Storage Bags – Buyer’s Guide

MEDca Breastmilk Storage Bags, 100 Count, BPA Free 6oz / 180ml

Organizing breast milk is a crucial procedure. You have to label every batch with a particular date and quantity. And the easiest and most efficient way to do so is by using the best breast milk storage bags.

The thing about breast milk is that you can store it at room temperature for 8 hours, in the freezer for 12 months, and in the refrigerator for 5 days.

You will come across several options in the market, and that’s because breast milk bags are not complex products to manufacture and use. Plus, there is an incredibly high demand for these products.

One thing you should know though, not all of them are manufactured with high-quality, food-grade materials. And this plays a significant role in determining their performance and reliability.

So let’s find out what to pick and why!

Breast Milk Storage Bag Name




Dr. Brown’s

Very thick


25 bags

NUK Seal N Go



100 bags

Ameda Store N Pour



20 bags

Medela Pump and Save (Editor’s Choice)

Medium thickness


50 bags




100 bags

Philips AVENT

Medium thickness


50 bags

Bonafide Baby

Medium thickness


110 bags

Best Breast Milk Storage Bags for Mother’s Milk

best breast milk storage bags

They may all look similar but you are a mother, and mothers know best, so you know that’s not the case. When it comes to design and materials, every breast milk storage bag differs from another. And this is what decides factors like performance, durability, etc.

Keeping this in mind, the seven top recommendations listed below provide more than just comfort and convenience. So it’s time to get to know them better!

1.Dr. Brown’s – Best Leak-Proof Breast Milk Storage Bags

Dr. Brown's Breastmilk Storage Bags, 25 CountBuy It on NOW!

You will be relieved to know that the Dr. Brown’s Breastmilk Storage Bags have reinforced sides with double zippers. These features are solely responsible for eliminating the possibility of leaks or breaks.

These breast milk storage bags have the ability to stay upright at all times. This is useful for pouring the milk without causing any spills. The company provides maximum convenience by printing all the important guidelines on each storage bag. So the process becomes easier for new moms. (Breastfeeding tips for new moms)

The best part about the storage bags is that they have a food-grade, high-quality plastic construction. This means you can store breast milk in the freezer without worrying about leaks, breaks, or contamination.

The only disappointing part is that the storage bags tend to leave a chemical smell behind. So this might become a reason for your baby refusing the stored milk.


  • The storage bags are thick enough to maintain their shape in the freezer.
  • They come with reasonably accurate ounce lines.


  • They have an unpleasant chemical smell.

2.NUK Seal N Go – Best Space-Saving Breast Milk Storage Bags

NUK Seal N Go Breast Milk Bags, 100 CountBuy It on NOW!

The NUK Breast Milk Storage Bags have a fluted bottom design. What this does is make the bag self-standing, which prevents spills. This also means that these bags line up easily in the refrigerator or freezer without taking up too much space.

They are constructed with a double zipper to eliminate leaks and freezer burns. You will also be quite impressed with the large capacity of the NUK Breast Milk Storage Bags.

The part that might push you towards buying these best breast milk storage bags is the fact that they come with a highly valuable oxygen barrier. This particular characteristic helps in preserving all the breast milk’s nutrients.

The only problem with the NUK Breast Milk Storage Bags is the inaccurate ounce lines.


  • The storage bags have smooth edges and freeze flat.
  • They are exceptionally strong and thick, so they don’t cause any leaks.


  • The ounce lines are not precise.

3.Ameda Store N Pour – Best Breast Milk Storage Bags with an Excellent Pouring Spout

Ameda Store N Pour Breast Milk Storage Bags with Adapter, 20-CountBuy It on NOW!

The pouring spout of the Ameda Store N Pour Breast Milk Storage Bags has a unique design. It is different from the other models manufactured in this category. It’s constructed in such a way so as to prevent spilling. And we all know what a relief that can be, right?

On top of that, the durable, multi-ply design of the storage bags eliminates the possibility of cracking or splitting. With the Ameda Store N Pour Breast Milk Storage Bags, you can pump breast milk directly into the storage bags with the help of the special flange adapters. Or you can transfer it without using twist ties or tape.

But what you might not like is the bulky shape of the breast milk storage bags. This is the reason why storing them flat can be quite a nuisance.


  • They offer easy pouring.
  • The adapter is suitable for multiple breast pumps.


  • Inaccurate ounce markers.
  • A tad too big to lay flat for long-term storage.

4.Medela Pump and Save – The Most Reliable Breast Milk Storage Bags

Medela Pump and Save Breast Milk Bags, 50 CountBuy It on NOW!

When it comes to buying the breast milk storage bags, there’s nothing more reliable than Medela. The Medela Pump and Save Breast Milk Bags offer a sufficiently large storage capacity.

You can connect the storage bags to the pump’s adapter (if you also have the same brand’s breast pump). This means pouring breast milk right into the storage bags without the use of baby bottles​ So no spills, right?

The self-standing design of the Medela Breastmilk Storage Bags makes them easy to use. You will also love the protective oxygen technology as it helps in preserving the milk better.

But what you might not appreciate is the strong plastic smell inside the storage bags. This can lead to ruining the taste of the breast milk.


  • They have the ability to stand upright all by themselves.
  • BPA-free quality plastic, hence no harmful chemicals.


  • The storage bags are not easy to seal.
  • They have an unpleasant plastic odor.

5.Lansinoh – Best High-Quality Breast Milk Storage Bags

Lansinoh Breastmilk Storage Bags, 100 Count, BPA Free and BPS Free (Packaging May Vary)Buy It on NOW!

When we talk about quality, we mean everything from durability to spill- and leak-proof capacity. This is why the Lansinoh Breastmilk Storage Bags are considered to be one of the best breast milk storage bags. They come with an incredibly secure seal to eliminate the chances of spilling.

To make things even better, the pour spout has a handy design. And the storage bags tend to lay flat quickly. So stacking them together in the freezer is not a difficult task at all. (Expressing and storing breast milk)

The Lansinoh Breastmilk Storage Bags have a large volume. Also, the waterproof and puncture-resistant quality feels like a blessing in disguise.

So there’s nothing you need to worry about except one tiny flaw. The plastic material used in Lansinoh breast milk storage bags is not as thick as it should be. This doesn’t cause any problem, but it tends to make the storage bags a tad too flimsy to handle.


  • They come with two seals to prevent leaks.
  • The large storage capacity makes the bags economical.


  • Since they have a thin plastic construction, you have to be extremely careful.

6.Philips AVENT – Best Affordable Breast Milk Storage Bags

Philips AVENT Breast Milk Storage Bags, Clear, 6 Ounce, 50 PackBuy It on NOW!

The thing about Philips AVENT Breast Milk Storage Bags is that they are cost-efficient as well as exceptionally durable. The latter comes in the form of thick plastic and generous seams. These breast milk storage bags ensure that there is no leakage and we all agree that’s good news.

Avent breast milk storage bags come with a large label area for a more convenient and comfortable user experience. You get the opportunity to tear off this label part easily so you can pour the breast milk from the storage bag’s zipper area while also reducing the chances of spilling the liquid gold.

So what seems to be the problem with Philips AVENT Breast Milk Storage Bags? It’s the fact that they don’t tend to lay flat in the freezer. This can take up too much space causing an immense amount of inconvenience.


  • They’re constructed with BPA-free (no harmful chemicals), thick, and sturdy plastic.
  • Accurate measurement marks.


  • The opening of the storage bag is not big enough.
  • They don’t lie flat in the freezer.

7.Bonafide Baby BPA/BPS-Free – The Safest Breast Milk Storage Bags

Bonafide Baby BPA/BPS-Free Breast Milk Storage Bag, 110 CountBuy It on NOW!

The title itself describes how great the storage bags are in terms of safety. The Bonafide Baby Breast Milk Storage Bags are BPA and BPS-free. This means no exposure to harmful chemicals. These storage bags have a completely sterilized quality as well. So you know there’s nothing to worry about in that context.

With double zippers and enhanced resistance to freezer burns, the Bonafide Baby Breast Milk Storage Bags are not susceptible to leakage or breakage. They consist of notches on either side. This is useful for preventing spills and leaks.

The great part about them is that they can stand upright after being filled as well as lay completely flat for easy storage. And the worst part is the small size of the bags. Thawing breast milk)


  • The large labeling system makes organization easier.
  • They don’t tend to fall over, hence suitable for the refrigerator as well.
  • The non-toxic writing marker that the storage bags come with doesn’t bleed.


  • The plastic material is not thick enough.
  • They are smaller than they should be.

Breast Milk Storage Bags Buyer’s Guide

best breast milk storage bags

Storing breast milk is important for all pumping moms who only want the highest quality of milk supply for their precious ones, and as you already know, the most efficient way to do so is by using breast milk storage bags.

Now you can easily use any container but why would you when they take up so much space in the freezer or refrigerator? On top of that, your average containers are not an ideal choice for freezing mother’s fresh milk. Non-food grade plastic can contain potentially harmful chemicals that may leach into the milk during freezing. Other people say there is not enough evidence to prove that chemicals in plastic can actually get into your food or water and cause serious harm; if they do, they do so only at insignificant levels that they can hardly affect humans. Whether there is some truth in this, it’s always better to err on the safe side; especially when our tiny bundles of joy are involved.

So buying the best breast milk storage bags is the way to go. But how do you get to decide the good ones from the bad? Since there are so many options to choose from, you might get confused during the selection process.

But there’s no need to worry about that anymore. Just go through our helpful guide, and all your issues will be resolved.

Important Factors to Take into Consideration

best breast milk storage bags


When it comes to safety, there’s nothing better than buying a product from a reliable manufacturer. Reputable breast milk storage bags meet all the safety standards.


We all do realize the importance of a breast milk storage bags. Keeping that liquid gold stored without spilling or leaking is crucial to prevent contamination. So you need to get a bag built with sufficient thickness.

Breast milk storage bags have a plastic material construction, so ​this plastic should be of high quality, which also means thick enough.


By system, I mean the breast milk storage system. This includes storage bags that are easy to use and label, as well as manual or electric pumps. Some manufacturers go all out to offer a complete package.


The price of the breast milk storage bag might be a major factor if you want to buy something affordable. There are many such economical options in the industry. And they are as high-performing as their fancier counterparts. So why pay extra for the same kind of product!

Benefits of Using a Breast Milk Storage Bag

best breast milk storage bags

  •  Storing breast milk straight into the storage bag from the pump is very convenient.
  • Breast milk storage bags are ideal for freezers. This means you can store them for as long as 12 months.
  • The storage bags are pre-sterilized. Such a quality prevents potential contamination.
  • Most of the breast milk storage bags consist of a recyclable plastic material construction.

Common Problems with Breast Milk Storage Bags

1.Leakage and Breakage

These storage bags are suitable for heavy-duty use, but they are susceptible to leakage and damage. So you should make it a point to handle them properly and store well within their capacity. This helps in eliminating or minimizing leaks and prevents the storage bag from breaking.

2.Inaccurate Measurement

The measurement lines of the storage bags are nothing but a rough estimate, so it’s important to keep that in mind. First-timers or moms opting for another brand should remember to check the breast milk storage bag’s accuracy.

This is done by pouring water into the bag and then pouring it out into any measurement cup to double check.

How to Use a Breast Milk Storage Bag?

Each pack of storage bagsall come with specific guidelines. Nevertheless, I’ve listed some basic instructions for you below.

  • Before you start filling the breast milk storage bag, label it using a pen (preferably a waterproof one).
  • After filling the storage bag with breast milk, push out the remaining air. Please make sure that you don’t exceed the maximum filling capacity as liquid tend to expand when frozen.
  • Seal the storage bag’s zipper properly.
  • If you’re storing it in the refrigerator, then keep the bag in an upright position. While in the freezer, place it flat on a paper towel.
  • To defrost the milk, you can put the storage bag in the refrigerator ​in an upright position a few hours before feeding, let it stand at room temperature to thaw, or place it in warm water for faster thawing.
  • While emptying the breast milk from the storage bag into a feeding bottle, keep the bag steady to eliminate spills.
  • And lastly, don’t re-use the same breast milk storage bag for another batch.

Can You Reuse Breast Milk Storage Bags

One of the frequently asked questions about using breast milk storage is whether it’s okay to reuse them. My answer: don’t re-use the same breast milk storage bag for another batch. Yes, there are reusable breast milk storage bags available in the market, but you have to bear in mind that these bags come pre-sterilized to ensure that the milk supply coming from mothers’ milk bank is safe for consumption. If you wash them after each use, you increase the risk of contamination from contact with sponge or other unsterilized cleaning materials.

Why Buy Only Food-Grade Plastic Storage Bags

As previously mentioned, the average plastic contain harmful chemicals like, Bisphenol A or BPA, that can leach into the food during heating or freezing. Generally, it’s wise to use only food-grade plastic materials when storing food, water and breast milk; specially breast milk.

How Long Can You Store Pumped Milk For?

Again, breast milk can be stored at room temperature for up to 8 hours, so if you are leaving your baby for some errands and know for sure that you are going to be back within 8 hours, there is no need to shove the filled bags into the freezer. If, on the other hand, you know you will be away longer or have plenty of milk to express, you can store pumped milk in the fridge for 5 days or up to 12 months in the freezer.

How to Properly Label Freezer Bags for Breast Milk Storage

Make sure to label milk storage bags before filling them, this way it will easier for you to write on the bag’s dry, flat surface. Most bags, like the Lansinoh bags, for example, come with a special portion for labeling where moms can write the date and time the milk was expressed as well as the volume. You can forget to indicate the volume, but never forget to write down the date and time you expressed your breast milk.

7 Breast Milk Storage Tips 

Final Review on Best Breast Milk Storage Bags 

My Choice: Medela Breastmilk Storage Bags

With so many reliable brands like NUK, Medela, Lansinoh, and Avent, it’s difficult to pick the winner. They are all great options when it comes to buying the best storage bags for breast milk.

Some offer excellent eco-friendly features while some provide exceptional liquid gold protection. But all in all, it’s the Medela Pump and Save Breast Milk Bags that get the job done in the most efficient manner.

The Medela Breastmilk Storage Bags are not only trustworthy but also convenient to fill as well as store. They come with a valuable adapter for breast pumps. This goes a long way in preventing any possible spills.

On top of that, the oxygen barrier keeps the breast milk protected and preserved for long-term storage. You will love how easily they stand upright on their own. At the same time, they have the ability to lay completely flat in the freezer.

You will be relieved to know that the Medela Breastmilk Storage Bags are free from all harmful chemicals. So there’s nothing you need to worry about when using these breast milk storage bags for your baby.

The next time you shop online for the top-of-the-line storage bags for your precious milk, look for Medela breast milk storage bags.

Related Buyer’s guides and MomTrustedChoice Lists:


1. Breast milk storage: Do’s and don’ts

2. What’s the best way to store breastmilk?

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