I really likes the Lansinoh milk storage bags. I used them most frequently with my children. They freeze flat and do not rip or leak.

Pretty good bags one of my go to. They seem to hold up well other bags I've tried always get ruined but with these I had no worries 

These storage bags are great. I don’t know what more to say about these plastic storage bags other than that. No problems with leakage or anything.

I’ve only used these a few times but so far so good! My sister also used to use these and never had any issues either

My favorite storage bags I’ve used thus far. The top seals very well and I’ve never had a probably with a bag leaking. Highly recommend!

My freezer is currently filled with these things right now. I like how they are pre sanitized and have a double zipper

These bags are great. Easy to pour milk into, holds well no leaks. Easy to pour from bag to bottle as well.

My favorite bags storage bags, they close nicely and also have the option to store in freezer. Lay them flat and they fit perfectly.

Great milk storage bags! Easy to transfer milk into and out of. Very affordable and decent quality plastic.

These are great and fairly inexpensive. I haven't had any issues with them leaking either therefire I would say they are very durable.