The bags hold 8 oz of breast milk.

Yes, you can use your HSA/FSA funds to purchase milk bags as well as other Willow accessories. Enter your FSA or HSA card at checkout just like you would your regular credit card, or use your regular card and submit your digital receipt to your employer for purchase. If you’re not sure what to do, reach out to your HR team or benefits specialist! 

Yes, milk bags can be stored in the freezer for up to 6 months. For guidelines on safely storing breast milk at room temperature, in the refrigerator, and in the freezer, read more here.

Yes, the milk bags feature a leak-proof double-zip seal for durability and peace of mind.

If you are pumping into containers, you can transfer your breast milk into these breast milk storage bags. You can also pump directly into the 100% leak-proof 360 milk bags that are designed specifically for the Willow 360 pump. The 360 milk bags are self-sealing and ready to store when removed from the pump.

You can use a ballpoint pen or permanent marker to label the milk bags with the date, time, and amount pumped. For guidelines on safely storing breast milk at room temperature, in the refrigerator, and in the freezer, read more here.

Milk bags can be thawed in the refrigerator, under a stream of warm water, or by being placed in a bowl of warm water. Never microwave breast milk! Fully defrosted milk bags can remain in the fridge for up to 24 hours, or at room temperature for two hours, before being used. For guidelines on safely thawing breast milk, read more here.