The 11 Best Breast Milk Storage Bags of 2021 – 2022

Do you have too much milk? Or are you looking to store milk for later use? Have you picked your preferred breast pump? If yes, then to ensure all your hard work of expressing breast milk doesn’t go to waste, you will require a storage solution that will keep this liquid gold wholesome and fresh for your little bundle of joy, whenever they need it next.

The best breast milk storage bags help free up space in your baby feeding bottles and ensure that you store breast milk in a fridge or freezer for later use. In addition, they are made of thick material that is BPA-free and FDA approved for the use of storing and protecting breast milk during, freezing, thawing, and during transportation.

Furthermore, these storage bags are designed to protect the nutritious liquid gold from freezer burn, leakages, contamination and still perform their full function for preservation. Also, breast milk storage bags make transitioning milk to a feeding bottle an easy task.

We understand that there is a vast variety of breastmilk storage bags to choose from, that is why we have done your homework and rounded up the best, most efficient, and trusted breastmilk storage bags that won’t leave you crying over spilled milk. With that being said let’s have a look at the 11 best breast milk storage bags of 2021.

Best Overall: Dr. Brown’s 100 Piece Breastmilk Storage Bags

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These bags feature an extra thick design for freshness and double zip that ensures the breast milk stays fresh. Dr. Brown’s 100 Piece Breastmilk Storage Bags are BPA-free and they also come pre-sterilized so that they can be used straight out of the box.

Before using these bags, you will need to tear the top off, as they have been sealed to ensure that no contamination occurs. Tearing off the top is a hassle-free process since it is perforated. Also, it has an exterior trim that cushions the milk and prevents leaks even if the bag drops.

Dr. Brown’s 100 Piece Breastmilk Storage Bags are thick, durable, and straightforward to use. They are self-standing and can hold up to 6 ounces of milk. Furthermore, these bags boast a writing area that makes labeling easier for parents. Its durability and non-toxic material makes it a to-go option for many parents

Key Features

  • Perforated top
  • Has a gusseted bottom
  • Comes pre-sterilized for immediate use
  • BPA Free
  • Has a double zip seal


  • Brand: Dr. Brown’s
  • Material Composition: 100% Silicone
  • Product Dimensions: 4.3 x 7 x 5 inches
  • Batteries Required: No
  • Product Weight: 7.1 ounces

  • It has extra thick sides for durability
  • It has a double seam that helps prevent leaks
  • Has a perforated top for an easy open
  • Can stand up on its own
  • Has the most accurate measurement
  • Its thick design ensures freshness
  • The plastic is not very flexible
  • It can only hold up to six ounces

Best Value Easy-to-Use: Lansinoh Breastmilk Storage Bags

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These breastmilk storage bags come pre-sterilized with a double zipper that helps keep the breast milk in and contaminants out. The Lansinoh Breastmilk Storage Bags are designed to work directly with the Lansinoh breast pump. However, if you don’t have this specific pump you can use an adapter if your pump is from a different brand.

These storage bags are designed to lay flat in the refrigerator to save room while storing multiple bags. Also, Lansinoh bags have a pourable spout that comes in handy when transferring breast milk from the bag to the feeding bottle without spilling or making a mess.

In addition, each bag is made of BPA and BPS-free plastic material that has been sterilized. The double-sealed side seams ensure that there is a low risk of leakage and better protection from contamination and freezer burn. Furthermore, these bags are made of soft plastic that makes it easier to remove air when sealing.

Key Features

  • Comes with a double zipper seal
  • BPA and BPS Free
  • It has a pre-sterilized tear away seal
  • Has a super-strong reinforced seam


  • Brand: Lansinoh
  • Style: storage bags
  • Target gender: Unisex
  • Material Type: Leak-proof and BPA free
  • Product Weight: 1.15 pounds
  • Product Dimensions: 5.1 x 3.42 x 6 inches

  • Environment friendly as they can be recycled
  • It is easy to tell when the zipper is closed
  • Have no plastic smell or taste
  • Can hold a large quantity of milk for older babies
  • It is durable and easy to use
  • Tearing the top off may take longer than other storage bags
  • The thinner plastic designs are tricky to stand upright

Best Pick: Nanobébé 100 Breastmilk Storage Bags

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The Nanobébé 100 Breastmilk Storage Bags are made from BPA and phthalates-free material. These breastmilk storage bags also boast of their stackable nature and a double zipper seal which makes leaks less likely.

These storage bags are made of thick sturdy plastic. Each bag holds 5 ounces of milk. Furthermore, they come with a safety seal that ensures all bags haven’t been contaminated before use.

On the flip side, they are effortless to defrost and can be defrosted two times faster than the standard average breastmilk storage bag.

Adding on this bag comes with a 100% money guarantee if you are not happy with the bag.

Well, if you are a mom who loves storing breastmilk in bulk for your little one, then the Nanobébé 100 Breastmilk Storage Bags make an excellent pick. Since they have a unique compact shape that allows the bags to be stacked together. This makes them space-efficient.

Key Features

  • Has measurements directly on the bag
  • BPA- Free
  • The material is pre-sterilized
  • Comes with two zipper safety seal


  • Brand: Nanobébé
  • Target gender: Female
  • Material free: BPA Free, Phthalate Free, Latex Free, Lead-Free
  • Batteries required: No
  • Product Weight: 1.2 pounds
  • Package Dimensions: 7.5 x 7.2 x 3.2 inches

  • Has rigid plastic to prevent milk spill
  • Can be stacked to save storage space
  • It has an easy-pour opening for accuracy
  • It can be recycled to protect the environment
  • The strong super thick design offers secure storage
  • It can only provide maximum storage of 5 ounces

Best travel milk storage bags: Medela Pump & Save Breast Milk Storage Bags, 20 Count Pack, Breastmilk Freezer Bags

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Moms who breastfeed understand how difficult it can be to transport stored breastmilk. However, the Medela Pump & Save Breast Milk Storage Bags are ideal for transporting stored breast milk. whether you are on a family fun trip or it is your day-to-day routine.

These bags are made from a durable layer material that comes with a double zipper seal to ensure that the bags don’t leak. The durable layer material ensures the bag can handle being jostled around a diaper bag or purse. In addition, these milk storage bags can stand on their own or lay flat depending on how you would prefer to transport them.

The Medela Pump & Save Breast Milk Storage Bags, have a resealable transport pouch that allows you to carry unused bags and keep them clean and organized.

These bags allow moms to pump on the go since they are assured that they have a clean bag that won’t leak.

Key Features

  • It has a protective oxygen barrier
  • It comes with an adapter
  • It has a zipper top
  • Has a lay-flat design


  • Brand: Medela
  • Target: gender Unisex
  • Style: Pump & Save
  • Material Type: BPA Free
  • Material free: BPA Free
  • Batteries required: No
  • Product Weight: 3.68 ounces
  • Product Dimensions: 6.18 x 4.25 x 1.5 inches

  • The adaptors assist in direct pumping into the bags
  • It can stand on its own
  • The double layers provide added protection
  • The transport pouch can be resealed and reused
  • It is easy to clean and use
  • It can easily spill when pouring into bottles without turning the bag sideways
  • Can only hold up to 5 ounces

Best Easy-to-Use: Gogo Pure Breastmilk Storage Bags

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Are you searching for quality in a breastmilk storage bag? if yes, then the Gogo Pure Breastmilk Storage Bags are an excellent fit for you. The thicker materials that are used to make these bags ensure that they are sturdy.

Furthermore, when it comes to durability the Gogo Pure Breastmilk Storage Bags can withstand the test of time. The self-standing bottom of these breastmilk storage bags ensures that you have an easy time filling in the milk. While the zipper ensures that the bag is sealed properly without the risk of leakages and contamination.

Key Features

  • Has a leak-resistant double layer
  • It has a Gamma Ray pre-sterilization
  • Has a strong durable gusseted bottom design
  • Has a clear labeling area


  • Brand: GOGO PURE
  • Material Free: BPA and Phthalate Free
  • Quantity per bag: 60 bags
  • Capacity per bag: 7 Oz
  • Product Weight: 2.57 pounds

  • It is durable and sturdy to stand on its own
  • It offers secure closure to prevent leaks
  • It is easy to use and store milk for the baby
  • It has a pocket-friendly price tag
  • The wide opening provides accuracy when pouring
  • The bag is non-reusable
  • These bags do not freeze flat due to their short nature

Best leak-free Breast Milk Storage Bags: NUK Simply Natural Seal n’ Go Breast Milk Bags

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The NUK Simply Natural Seal n’ Go Breast Milk Bags use a double zipper seal and are guaranteed to be 100% leakproof. These bags have a top seal that prevents tampering and a gusset-free bottom that ensures the bags don’t leak from the corners.

They are thick and durable. Furthermore, they are self-standing bags that are designed to hold up to 6 ounces of milk. And if you have limited storage these bags can be stacked up in your refrigerator or freezer.

On the flip side, these storage bags are not designed for direct pumping. But the oxygen barrier seal and waterproof design ensure that the milk remains pure after thawing and pouring into a feeding bottle.

Key Features

  • It has a double zipper seal
  • It features a gravity-fed pour spout
  • It has volume measurement markings
  • Comes with a waterproof design that seals oxygen out of the bag


  • Brand: NUK
  • Material composition: Plastic
  • Product Dimensions: 5.5 x 5 x 4.75 inches
  • Product Weight: 1.04 pounds

  • The double zipper seal offers a great leak-proof
  • The labeling measurement is on the tab instead of the bag like other brands
  • It can lay flat in the freezer providing easy storage
  • The oxygen barrier provides freshness and purity of milk
  • It is pre-sterilized and freezer safe
  • They are not recyclable
  • It May have a strong plastic smell

Best Affordable Breast Milk Storage Bags: Philips Avent Breast Milk Storage Bags

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Philips Avent Breast Milk Storage Bags are designed in the shape of their feeding bottles. These milk bags have all the features and functions that you may require from a breastmilk storage bag. These features include a double zipper opening, pre sterilization, a double layer design, and large openings that ensure you can pour milk in and out of the bag easily.

These storage bags are BPA-free and have a clear anti-counterfeit seal. They are also one of the most budget-friendly breastmilk storage bags. Well, if you are a budget-conscious parent you should consider buying the Philips Avent Breast Milk Storage Bags.

Key Features

  • It comes pre-sterilized with a tamper-evident seal
  • Has a double zipper
  • Comes with label measurements
  • Has reinforced side seams


  • Brand: Philips AVENT
  • Material Type: PET/PE, BPA free
  • Target gender: Unisex
  • Capacity per bag: 6 Ounce
  • Quantity per bag: 50 Pack
  • Product Dimensions: 7.6 x 4.5 x 6 inches

  • The containers can be stacked together to save space
  • They are dishwasher safe and can be reused
  • Pumping, storage, and feeding can be done from the same container
  • writing on them is easy
  • The self-standing bag makes it easier to use
  • Avoiding leaks can be difficult due to non-properly threading of the lid
  • It is bulky

Best Oversized Breast Milk Storage Bags: Milkies”No-Break, No-Leak” Breast Milk Storage Bags

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These Breast Milk Storage Bags are ideal for new moms or moms who are introducing themselves into the world of storing breast milk since the bags have milk storage guidelines at the front of each bag. Additionally, they can hold up to 7 ounces of milk. Like most breastmilk storage bags, the Milkies”No-Break, No-Leak” Breast Milk Storage Bags are also made of BPA- free plastic and have a double zipper closure that prevents leaking.

Furthermore, these bags freeze flat for easy storage and they have an attached label that allows you to add the date. Also, they are sturdy and easy to use and are great for babysitters or nannies who may need a reminder about the proper temperatures breast milk should be stored and served.

Key Features

  • Has double zipper closure
  • Comes with printed breast milk storage guidelines on the front
  • Has a convenient measurement label
  • It is pre-sterilized and ready to use
  • It has a lay-flat bottom


  • Brand: Milkies
  • Material Type: Food-Grade Plastic
  • Capacity per bag: 7 Ounce
  • Quantity per bag: 50 Count
  • Product Weight: 8.8 ounces

  • It can be organized nicely in the freezer due to the flat bottom design
  • It is durable and leak-proof
  • The labeling makes it easy to use and keep track
  • It is thick and durable
  • It offers great value for money
  • They are not designed to connect to a pump
  • It May take a bit more space in the freezer

Best Breast Milk Storage Bags: Spectra Baby USA Breast Milk Storage Bags

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These bags come with all the basic features that most moms want in a breast milk storage bag. The Spectra Baby USA breast milk storage bag features a double-lined seal that ensures the milk is free of contamination and does not leak.

Each bag can hold up to 7 ounces of milk and they can stand up by themselves. This feature makes them storage-friendly milk bags. Furthermore, these bags boast the clear labeling area that allows a parent to write a child’s name, the date when the milk was stored, and also if you are leaving your child with a babysitter you can indicate the feeding time of the baby on the storage bags.

The Spectra Baby USA Breast Milk Storage Bags are made of BPA and DEHP- free plastic.

Key Features

  • It is self-standing with a lay-flat bottom
  • Has a double-lined sealing
  • It is BPA and DEHP Free
  • Has a label measurement


  • Brand: SPECTRA
  • Target gender: Male
  • Capacity per bag:
  • Quantity per bag: 30 count
  • Product Dimensions: 4.8 x 4.2 x 1.7 inches
  • Product Weight: 0.8 ounces

  • It can stand on its own for easy use
  • Provides a large capacity for older babies
  • It is thick, secure, and comfortable
  • It comes pre-sterilized and ready to use
  • It is sturdy and spill-proof
  • Pumping directly into the bag is not possible
  • Getting an accurate reading may be difficult

Best Recyclable Breast Milk Storage Bags: Kiinde Twist Pouch Direct-Pump Direct-Feed Twist Cap Breast Milk Storage Bags

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The twist on a design that ensures you don’t lose a single drop of milk when attaching your breast pump makes the Kiinde Twist Pouch Direct-Pump Direct-Feed Twist Cap Breast Milk Storage Bags a to-go option for many moms.

This storage bag features a threaded cap that ensures the risk of leaks is low when freezing and thawing the milk. Also, these bags are made from pre-sterilized recyclable materials, which is ideal for mothers who are trying to reduce their impact on the environment. These storage bags are available in 6 ounces or 8 ounces. The size range allows you to adjust the amount of milk based on your baby’s age and how much they consume per serving.

Since you can use this pre-sterilized bag to directly feed your baby, there is a lot less sterilization that goes into your infants’ feeding system. All that you are required to do is to sterilize the nipples that are attached to the bag. For storage purposes, these bags are designed to lie flat during storage.

Key Features

  • It has measurements on the pouch
  • Has a twist-locking adapter
  • Comes with threaded caps
  • Features slow flow active latch nipples


  • Brand: Kiinde
  • Target gender: Unisex
  • Capacity per bag: 6 Ounce
  • Quantity per bag: 80 pack
  • Product Dimensions: 12.24 x 6.38 x 6.26 inches
  • Product Weight: 1.8 pounds

  • The same pouch can be used to collect, store and feed the bay
  • Can lay flat in the freezer for easy storage
  • It can be assembled easily
  • It is durable and versatile
  • Can be recycled
  • There is only one size available

Best budget-friendly breastmilk storage bags: Eccomum Breastmilk Storage Bags

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These storage bags feature a spout that makes pouring milk into a feeding bottle an easier task, which is perfect for parents who hate struggling with zip tops that are not designed to pour directly into the bottle. While the top of these storage bottles features a double zip-top, on the side, there is a spout that can be cut open once the milk is thawed and easily transfer the thawed milk into a feeding bottle.

The Eccomum Breastmilk Storage Bags are free of latex, BPA, and BPS materials. They also come ready to use since they are pre-sterilized. Additionally, these bags have an enhanced zip lock at the top of the bag that locks air and contaminants out, keeping the breast milk fresh and safe. Also, they can be used by breast pump adapters.

Their self-standing design makes pouring milk into this bag a hassle-free task. they can also be stored while standing or laying flat in the freezer depending on your preference and freezer storage space. Furthermore, they are leakproof and each bag holds up to 8 ounces of milk.

Key Features

  • It features a double zipper seal plus double scale
  • Has a self-standing design
  • It is gamma-ray protected
  • Has an accuracy spout feature


  • Brand: Eccomum
  • Material Free: latex, Bps and BPA
  • Capacity per bag:8 Ounces
  • Quantity per bag: 100 Count
  • Product Dimensions: 7.09 x 4.61 x 3.94 inches
  • Product Weight: 1.17 pounds

  • The thickness helps to withstand high temperature and pressure
  • It can be used with other adapters
  • Pouring from the bag to bottle is made easy
  • It offers great value for money
  • It is durable and easy to use
  • Can leak a ton of milk if the spout tears

Buying Criteria for Breast Milk Storage Bags

  • Convenience

    The main goal when using breast milk storage bags is to ensure that you have ample time sealing, storing, and using your milk. Here are some of the convenience features you should look for in a breast milk storage bag:

    The ability to stand up on its own- this makes it easier to place them on the counter while you are preparing the feeding bottle or when in the refrigerator while they are thawing out

    How they are labeled- the majority of these bags have markings that help you to measure the amount of milk stored. This makes it easier to feed your little one based on how much they eat at a normal feeding. Other storage bags have a specific area where you can write down the date and other important information

  • Materials

    Generally, breast milk storage bags are made from thick food-grade plastic. It is always important that you purchase storage bags that are made from 100% BPA-free plastic. Also, you might want to consider bags that have been heat-sealed. Since they are stronger and less likely to develop leaks or split at the seams.

    Furthermore, it is not uncommon for storage bags to have double layers. The extra layer protects the milk from spoilage and also ensures that the bags don’t leak.

  • Hygiene

    When shopping for the best breast milk storage bags for your little one always ensure to go for the pre-sterilized bags. Since they are guaranteed to be free from any contamination. Pre sterilized bags ensure your little one’s milk stays free from any bacteria or any other contaminants that might make him or her ill.

    On the flip side, some storage bags come pre-sealed. In such cases always ensure that they are easy for you to tear open and you will not be struggling while using the bag.

    Generally having a proper seal is also important to overall hygiene. This is because when air gets in the bag during storage the milk might be contaminated. Well, be sure that you will encounter breast milk storage bags that use a double zipper and others that make good use of a screw to either way choose the one that best suits your preference.

  • Size

    These storage bags come in a variety of sizes that range from about four ounces to eight ounces. So, when choosing the size of these bags always ensure that they align with the amount of milk your baby drinks during their feeding time. However, If your baby is a newborn, it is advisable to go with a small four-ounce bag. Then again, the more your baby drinks the bigger the bag should be.

  • Adapters

    One common feature that makes storage bags differ from one another is the ability to pump directly into the bags. However, this is normally supported when using a storage bag and a breast pump from the same brand. If your bags and pump are from different brands then you might consider incorporating an adapter that works well with different bags and pumps.


Q: What are the best breast milk storage bags?
A: When it comes to baby products there is a vast variety of products to choose from when trying to find the best breast milk storage bags for your little bundle of joy. However, what matters most when choosing a storage bag is your preference and if it is compatible with your breast pump.

Additionally, a good storage bag should be sealed properly and be designed in a way that prevents spills and leaks. Furthermore, always go for storage bags that are free of harmful substances such as BPA. With that being said here are our top picks for the best breast milk storage bags.

Best Overall: Dr. Brown’s 100 Piece Breastmilk Storage Bags

Best Value Easy-to-Use: Lansinoh Breastmilk Storage Bags

Best Pick: Nanobébé 100 Breastmilk Storage Bags

Q: How long can I store breast milk in breast milk bags?
A: The shelf life of breast milk stored in bags normally depends on the storage environment. For breast milk that is being stored at room temperature its shelf-life ranges within four to six hours. However, when the temperatures are too hot the milk has a shelf life of only four hours.

On the other hand, breast milk that is stored in an insulated bag with an ice pack has a shelf life of 24 hours which makes the best way to travel with breast milk. Furthermore, refrigerated milk can be stored for up to five days if the temperature of the fridge is constant and very cold.

Finally, frozen breast milk has a shelf life of 12 months if it is being stored in a deep freezer but if you are using a normal freezer then the milk has a shelf life of only six months.

Q: Can I wash and reuse breast milk storage bags?
A: NEVER wash or reuse breast milk storage bags.Breast milk storage bags come pre-sterilized. This means that the bags are free from any contaminants that could spoil the milk of the baby or harm your little one. with that being said it is very important to note that even washed bags cannot be sterilized and free of any contaminants.

Additionally, when you reuse or wash a bag there is a risk of tearing small holes in the bag especially in the seam. These tears will cause leaks and also contaminate the milk inside at the risk of spoilage as well.

Fact: Once a bag has been used, they are no longer sterile and no boiling or washing procedures can restore the sterilization to 100%

Q: Can I store breastmilk in Ziploc bags?
A: Never store breastmilk in Ziploc bags or any other plastic bags.While many of these bags are food-grade and are even freezer friendly, they are not designed to hold liquids without leaking. Furthermore, there is no guarantee that breast milk will not leak from these storage bags.

Again, it is also hard to transition the milk to feeding bottles from Ziploc bags. Since they are not designed to hold breast milk. On the flip side Breast, milk storage bags have spouts that are designed specifically for the milk transitioning from bag to bottle. And these spouts make transitioning of milk from bag to bottle a breeze!


The best breast milk storage bag depends on your preference and what works best for you as a mom. However, you should go for bags that have convenient features and won’t leak and waste your precious milk. With that being said we hope our list has helped you find the best breast milk storage bags that suit your preference.

About Clarisa Mane

Clarisa Mane
Clarisa is a freelance writer who specializes in product reviews alongside other writing niches. Her areas of specialization when it comes to product reviews include but are not limited to Baby items, women’s clothing, makeup, kitchenware, and accessories among other interesting topics. She is an avid reader of biographies and science fiction. When she is not behind her computer working, she is in the kitchen experimenting with different recipes.

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