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🍼 Freeze, store, and feed like a pro — because your milk deserves the best!
Lansinoh Breastmilk Storage Bags offer a durable, BPA-free solution designed for busy parents who demand safety and efficiency. With a 6 oz capacity, double zipper seals, and a fast freeze & thaw design, these presterilized bags protect nutrients while saving freezer space. Compatible with most standard pumps via included adapters, they simplify milk storage and feeding routines with smart features like a stand-up base and large write-on labels.





























| ASIN | B075HPVKH1 |
| Best Sellers Rank | #89 in Baby ( See Top 100 in Baby ) #1 in Breastmilk Containers |
| Brand | Lansinoh |
| Brand Name | Lansinoh |
| Capacity | 6 ounces |
| Closure Type | Zipper |
| Color | Purple |
| Customer Reviews | 4.7 out of 5 stars 6,449 Reviews |
| Global Trade Identification Number | 00044677204620 |
| Included Components | 50 Lansinoh® Breastmilk Storage Bags (6oz), 2 Lansinoh® pump-into bag adapters |
| Item Dimensions L x W x H | 4"L x 0.5"W x 8.25"H |
| Item Dimensions W x H | 4"W x 8.25"H |
| Item Type Name | Breastmilk Storage |
| Item Weight | 3.67 ounces |
| Manufacturer | Lansinoh |
| Manufacturer Part Number | 20462 |
| Material | Low density Polyethylene (LDPE) |
| Material Type | Low density Polyethylene (LDPE) |
| Material Type Free | BPA Free |
| Model Name | Breastmilk Storage Bags |
| Model Number | 20462 |
| Number of Items | 52 |
| Number of Sets | 1 |
| Other Special Features of the Product | Freezer Safe, Resealable |
| Product Dimensions | 4"W x 8.25"H |
| Recommended Uses For Product | Freeze, Refrigerate |
| Reusability | Disposable |
| Shape | Rectangular |
| Size | 50 Count |
| UPC | 044677204620 |
| Unit Count | 52.0 Count |
S**E
Not compatible with Motif Twist
Great bags. These are the bags I've used with all three babies. The adapters do not work with Motif twist pumps.
A**K
Great for breastmilk
These are great for breastfeeding Mamas. The quality if the bags are amazing. It is easy to fill and does notleak. It is easy to warm up the frozen milk too
C**A
They work great
These breast milk bags get the job done. They come with a set of adapters so you can pump directly into the bag which saves time. The adapters work well with my Medela Pump in Style MaxFlow. A bit of advice is to remove the adapter from each pump before removing from the breastmilk bags once you are done pumping. That allows the adapter to be flipped sideways so you can dump out any collected milk from the edges of the adapter and remove it without risking damage to your bags. I didn't do this the first time and ripped open a bag and spilled an ounce of milk everywhere. Sharpies work great on these bags. They lay flat to freeze nicely. They have flat bottoms so you can stand them up as well. Overall they are great.
A**A
durability
Great plastic bags to storage your milk. Durable thick bags.
J**N
Breastfeeding only
OUT OF 200 PLUS BAGS ONLY HAD LIKE 5 LEAK OR BUST! They attach directly to my Lansinoh pump. They will not help with my hand pump though with lansinoh. The addaptors to be able to pump into the bag fit my Medela Pump in style. You can freeze the bags/refrigerate them. It can be a mess transferring to bottles but that is when I put a tad extra in them. If thawing in water watch out for leaking.
A**X
Not compatible with Smartpump 3.0
My go-to for milk storage, no problems with leaks and the double closure adds to the security since we freeze laying flat. My only gripe is that the bags do not fit around the Lansinoh SmartPump 3.0 model without stretching and fighting, and by then it would be impossible to get the bag off without getting milk everywhere. The adapters also don’t fit the Medela manual pump from the hospital. So for now I’m pumping into the included bottles and transferring. But one pro, the pump does fit with Phillips Avent glass bottles.
J**E
Easy to use
These bags are really easy to use and I feel like there were a lot of bags for the price. The top part does seem to rip easily when you open it, so you can’t use it like a funnel. I haven’t tried using it to directly pump into the bags. But I just pour from the bottle into it, and it works great! It lies really flat in the freezer and it’s easy to get the bubbles out. They also hold up well when you transport them and thaw them out. Overall, we are really happy with them!
M**S
Flexible, reliable storage bags
I love these breastmilk storage bags! They have a double zipper which gives an excellent seal. The bags are deceivingly thin and flexible compared to other brands I’ve tried (medela and avent), and I was skeptical at first because I thought they would be flimsy and low quality. However, I love the flexibilty - it allows me to lie the bags flat to freeze, or roll them into a cylinder - which is my preferred method. Not only does this allow you to save space in your freezer (compared to the “stand up” bag models), but it is super easy to defrost them in a cup of hot water. This is my second baby that I’ve used these bags with, and they continue to be my go-to choice 150+ bags later. The only negative is that I don’t seem to find the bag markings to be extremely accurate (150ml often looks more like 180ml). This isn’t a problem for me, as I pump into bottles and measure before putting in the bag.
C**0
Missing the adapters!
I basically paid £22+ for storage bags as no adapters. Have reordered hoping it works this time
ا**.
عمليه جدا
ممتازة جدا ..فقط سعرها يعيبها السعر المرتفع
N**N
Maravilha
Pratico, é bem sustentável
K**Y
So convenient
These bags are my new favourite. They connect directly to my spectra pump so I don't need to transfer from bottle to bag (cuts down on things to wash and sterilize). They also fit right into my tommee tippee bottle warmer to make heating up really easy. Will buy again. The only thing to keep in mind is that the measurements are off my almost exactly 1 ounce - so far have had this same problem with the pigeon bags and the nano bebe bags as well being inaccurate, but it's not really a big deal if you keep in mind what the measurements should be and just stick to the max fill line.
J**N
durable and clean
We been looking for a product that can help us store milk for our baby. We all know that breastmilk is the best! My wife decide to store her milk in case she is on work. I found this product with a good quality, clean and leak proof. She is so happy storing her milk for future use of our baby. Must have and highly recommend for breastfeeding mothers out there.
Trustpilot
1 day ago
4 days ago