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These do not freeze flat and it's also challenging to get all the air out. These bags are small, and I freeze four ounces at a time, so these aren't for me. (Maybe colostrum or 2oz servings would be best.) These are also overpriced for a a bag. You can get 50 or 60 bags for 12-15 dollars. Scratching my head as to what is so special about these. Anyway, won't be buying again.
These are kind of gimmicky. If you have them hooked to the pump while pumping they are precarious. There is a cut line for easy pouring but I've found that bags that don't have the cut line pour easier and are less messy. They are also pretty small and not very accurate at measuring the milk.
I bought these bags because I have a Ameda pump but these are terrible. Measurement is off and it is not spill proof. I’m not talking about falling off the counter spill, if the sealed bag tips over, everything comes out. Infuriating considering what we go through to pump and breastfeed. They need to create a better seal! I prefer Lansinoh. It’s spill proof and lies flat which is better for storage.
I bought these bags because of the pour feature. There isn't anything *wrong* with them, however, You get what you pay for. These bags are very thin compared to others I've tried. The single zip allowed a couple of leaks when I was filling them. Also, they do not freeze flat very well at all and consequently take up much more room in the freezer. Will not be purchasing again.
Got these bags and my milk kept going sour in them after a week in the freezer. Switched to the Medela bags and didn't have that problem anymore. Too bad because I have an Ameda pump and liked the idea of being able to pump directly into these bags.