Lansinoh® Breastmilk Storage Bags

We understand breastmilk is invaluable, and pumping moms want to know their breastmilk is protected until baby needs it.

Lansinoh® Breastmilk Storage Bags are the largest breastmilk storage bag on the market, safely storing up to 6 oz. in each bag.

Our bags feature a patented double Click ‘n’ SecureTM seal to prevent leaks, and a convenient pour spout at the top of the bag makes transferring milk from bag to bottle easier than ever.

Additional Information
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The Lansinoh Difference

  • Lansinoh® bags undergo rigorous 10-point quality testing during manufacturing to ensure we are providing moms with the strongest breastmilk storage bags on the market.
  • Each Lansinoh® Breastmilk Storage Bag is made with a patented double Click ‘n’ SecureTM seal, a difference you can see and feel as you close our bags.
  • Lansinoh® Breastmilk Storage Bags are designed to be frozen flat, taking up less space in your freezer. Bags also stand for convenient, short term storage.

Additional Product Information

  • Product Features:

    • Ideal for storing & freezing breastmilk
    • Convenient pour spout
    • Leak-proof with our patented double Click 'n' Secure™ seal
    • Bags lay flat for efficient storage and thawing
    • Strongest and largest bag available, holding 6 oz. of breastmilk
    • Outer write-on tab to make labeling easy
    • Available in 25, 50 and 100 count

    Product Details:

    • Made of Low Density Polyethylene (LDPE)
    • Product of Thailand
    • BPA and BPS free
  • What does the “BPA and BPS Free” Icon on your packaging mean?

    The chemical bisphenol-A (BPA) is widely known to be a hormone disrupter. Acting like an estrogen imposter, BPA has been linked to cancer, type 2 diabetes, depression, heart disease and a number of other ailments. BPA can be especially dangerous in pregnancy, infancy and childhood – so much so that many governments around the world have banned BPA in the production of baby bottles (as well as other products).

    The chemical bisphenol-S (BPS) is used as a plasticizer by some manufacturers and, in many cases, has been used to replace BPA. BPS is also a hormone disrupter, but is currently allowed for the production of baby bottles and similar products.

    Because safety is a top priority for Lansinoh, we have taken proactive measures to ensure our Lansinoh® mOmma® bottles with NaturalWave® Nipples are BPA and BPS free. 

    Additionally, all our products that may come in contact with breastmilk are BPA and BPS free, as well as our mOmma® toddler line. This includes:

    • Lansinoh® HPA® Lanolin
    • Lansinoh® Clean & Condition Baby wipes
    • Lansinoh® Signature ProTM Double Electric Breast Pump
    • Lansinoh® Manual Breast Pump
    • Lansinoh® Breastmilk Storage Bags
    • Lansinoh® Breastmilk Storage Bottles and Lids
    • Lansinoh® Disposable Nursing Pads and Ultra-Soft Disposable Nursing Pads
    • Lansinoh® LatchAssist® Nipple Everter
    • Lansinoh® Nipple Shield
    • Lansinoh® Simple Wishes® Hands-Free Pumping Bra
    • Lansinoh® Soothies®  Gel Pads
    • TheraoPearl®  3-in-1 Breast Therapy Packs
    • Lansinoh® mOmma® Bottle with NaturalWave® Nipple
    • Lansinoh® mOmma® Spill-Proof Cup
    • Lansinoh® mOmma® Straw Cup
    • Lansinoh® mOmma® Warming Plate
    • Lansinoh® mOmma® Developmental Meal Set

    Lansinoh is committed to providing breastfeeding solutions so every mom can breastfeed for as long as she chooses. Moms who use Lansinoh should feel comfortable knowing they’re using safe and effective products, whatever their breastfeeding needs may be.

    Is Lansinoh® Breastmilk Storage Bags BPA and BPS Free?

    Yes! Because safety is a top priority for Lansinoh, we have taken proactive measures to ensure Lansinoh® Breastmilk Storage Bags is both BPA and BPS Free.

    Can I pump directly into the Lansinoh® Breastmilk Storage Bags?

    Because Lansinoh® Breastmilk Storage Bags have a double zipper closure, they will not fit securely on the pump so you cannot pump directly into them.  

    What if my milk smells rotten when I thaw it?

     According to the La Leche League’s “Breastfeeding Question and Answer” book: In rare cases, some mothers who have meticulously expressed and frozen their milk for later use have discovered that all their frozen milk has turned rancid (spoiled).  This happens when a mother produces milk that is high in lipase, the enzyme that breaks down fat in the milk. Depending upon the level of lipase in her milk, some mothers notice this rancid smell after their milk has cooled in the refrigerator; others notice it only after the milk has been frozen for a while. 

    It is suggested that every mother who is planning to freeze her milk should test freeze some batches and thaw it out after a week or so to be sure it has not become rancid.  If it smells rancid, she may need to scald the milk before freezing in the future to deactivate the lipase in her milk.  If the mother finds that after freezing and thawing her milk that it has a rancid smell, she can prevent this from occurring in the future by heating her expressed milk to a scald (bubbling around the edges but not boiling) right after collecting it and then quickly cooling and freezing it.  Scalding inactivates the lipase, however once the milk has acquired the rancid smell, scalding will not help.  

    For steps on how to address possible lipase issues, consult La Leche League International or visit www.ILCA.org to find a Lactation Consultant in your area.

    What is the best way to freeze breastmilk storage bags?

    We recommend lying the storage bags flat to freeze them. You can put the breastmilk storage bags directly into the freezer, but because plastic can sometimes stick to the freezer rack (especially if it is slightly wet) we recommend placing the bags in some type of container, such as a plastic storage container, or even a Ziploc® freezer bag.  This will also protect the bags from contact with other frozen items. 

    Are your bags recyclable?

    Yes, they fall under the LDPE #4 recyclable classifications that include merchandise bags and pharmaceutical packaging.

    What type of plastic is used for your bags?

    Lansinoh® Breastmilk Storage Bags are 100% virgin plastic and contain no plasticizers.  They are made of FDA approved Food Grade LDPE (low density polyethylene) and LLDPE (linear low density polyethylene) that are three milliliters thick.  

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