Do these bags connect directly to the Medela freestyle pump, or do I have to pump into a bottle first?

I connect them to my Medela pump. They sell an adaptor for the Medela to pump into their bags. Medela bags are smaller and I always pump at least 4 oz from one of my breasts. So I just cut a slit in the flap of these bags (There is a double purple line that I use) and use the Medela adaptor part. Works great! best tip I got as a BF/working/pumping mom. I hated coming home after 14 hours and having to transfer milk and wash and sterilize bottles.

Can I reuse these bags or must throw away after use?

These bags are single use and are supposed to be thrown away. There's no way to "re-sanitize" them, so to speak.

Can I pump directly into these bags from a Ameda pump?

I do it that way. i use tape to attach the tops of the bags onto the pump. i pump both sides at the same time.The 4 reasons i pump directly into the bag is 1-less waste, i dont waste/spill a single drop transferring from bottle to bag2-less work bc no bottle to wash out3-saves time bc i dont have to pour from bottle to bag or wash out the bottle4-less bacterial contamination because there's no transferring step

Can this be use for Spectra?

Hi JT. Thank you for your question. Unfortunately, our Lansinoh pump adapters are not compatible with Spectra pumps.

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🍼 Seal the moment, save the nutrients, savor the ease.

PURE SAFE STORAGE - Pre-sterilized and free from BPA/BPS, ensuring only the safest environment for your milk.
LEAK PROOF CONFIDENCE - Double zipper and reinforced side seams lock in every drop—no spills, no stress.
BULK READY FOR BUSY MOMS - 100-count pack means you’re always stocked and ready for every feeding moment.
MICROWAVE SAFE CONVENIENCE - Quickly warm milk without transferring—designed for your on-the-go lifestyle.
FREEZE FASTER THAW SMARTER - Flat, space-saving design accelerates freezing and preserves vital nutrients.

Lansinoh Breast Milk Storage Bags offer a premium, leak-resistant solution with double zipper seals and reinforced seams. Designed flat for rapid freezing and thawing, these BPA and BPS free, pre-sterilized bags protect breastmilk’s nutrients while providing microwave-safe convenience. With 100 bags per pack, they’re the trusted choice for modern, health-conscious parents.

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€ 37.25

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Slovakiastore

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Model number	20470
Product Dimensions	12.95 x 7.62 x 24.38 cm; 453.59 g
Item model number	20470
Target gender	Unisex
Material Type	Plastic
Material Composition	LDPE (low density polyethylene) and LLDPE (linear low-density polyethylene).
Material free	BPS Free
Additional product features	Leak Resistant, Microwave Safe
Number of items	100
Style	6oz
Batteries required	No
Item Weight	454 g

Lansinoh Breast Milk Storage Bags, 100 Count, BPA Free and BPS Free

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