Willow 360™ Spill-proof Milk Bags (48-pack)
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- Designed for 360° mobility so you can pump lying down, bending over, or running around.
- No need to seal or transfer breast milk before storing — just pump into the bag and then store in the fridge, freezer, or cooler bag.
- Breast milk remains free of contaminants for peace of mind when pumping on the go.
- Just two parts to clean (flange and Flextube!) when pumping with milk bags.
- 4 oz capacity per side (switch and replace milk bag if more capacity is needed)
- Made without BPA for peace of mind
48 pack of Spill-Proof Milk Bags
You can shop all Willow 360 accessories here.
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Hygienic Pumping for Peace of Mind
Bags are a “closed system,” ensuring milk remains totally free of contaminants after pumping.
Frequently Asked Questions
Yes, you can. Simply pay for your breast pump and accessories using your FSA/HSA debit card at checkout, or pay with another credit card and submit your receipt to your plan administrator for reimbursement.
No! Willow 360 offers the option to pump into Spill-Proof Milk Bags or Reusable Containers. Milk Bags enable total 360 degree mobility, while Containers offer 180 degree mobility, superior to other wearable pumps. Learn More.
Our Spill-Proof Milk Bags and Reusable Containers hold up to 4 oz of milk (8 oz total). Willow automatically shuts off when your Milk Bag or Container is full. If you pump more than 4 oz in a single session, you can easily switch out the bag or empty the container and continue pumping.
Absolutely! You can freeze in the Milk Bags. Our Milk Bags can be stored in the freezer for up to six months. Our Milk Bags have a convenient tab at the top to record the date the milk was pumped to help keep your stored milk organized. For more information on storing your breast milk, visit the La Leche League website for milk storage guidelines.
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- Alex F.Verified BuyerI recommend this productRated 5 out of 5 stars2 days agoBags they ate great
I love them! So easy! Never leaks!
Was this helpful? - Jennifer C.Verified BuyerI recommend this productRated 4 out of 5 stars4 days agoThey’re ok
They fill with air sometimes which is annoying.
Was this helpful? - Lindsay B.Verified BuyerI recommend this productRated 5 out of 5 stars5 days agoA must have for twins
While caring for my newborn twins while pumping, these bags are a must have! The ability to pump on the go while being spillproof is critical. Would highly recommend.
Was this helpful? - Sarah M.Verified BuyerI recommend this productRated 5 out of 5 stars1 week agoBags
These willow bags are the best! Makes pumping easy and perfect to freeze!
Was this helpful? - MacKenzie K.Verified BuyerI recommend this productRated 5 out of 5 stars2 weeks agoPerfect for on the go
I use bags when I’m pumping in the car or traveling. They are perfect - convenient, freeze easily, and spill-free. Cannot go wrong with always having a little stash of these with your pumping supplies.
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