I bought these bottles to pump with while at work. The lids are so secure, it's amazing. I think absolutely nothing of throwing a bottle full of milk into my tote and bringing home.

I really like these except for something g very very important. The bottle wouldn’t seal properly to the flange (which are compatible) after a couple weeks of use. I lost about eight ounces of milk because it crashed to the floor. In the following weeks, the lids (that came WITH the bottles) stopped sealing and would just pop off and the rubber inside one lid came off completely. No, two of them. So even if I’m careful pumping the lids don’t seal.Im going to buy another set and hope it’s just a

Background: I am a working mom of two, generally pumping 1 to 3 times a day with about 13 months total pumping experience so far. I ordered these bottles for use with my new Spectra 9 Plus (which I highly recommend, in case you're in the market). I actually like these even more than the bottles that came with my pump, because they are shorter with a wider base and are significantly more stable when you set the whole bottle and flange assembly down after pumping and when you're shifting things…

These bottles were just what i was looking for! They fit more milk, we’re inexpensive and are easy to use. I haven’t used them for feeding my baby but they’ve worked great to pump into.

Main concern is there is a gap in the underside of the caps that come with these bottles that trap air/water/dirt and won't clean off. See pic. Also the bottles don't into the cup holder portion of the Spectra S1. I still use the bottle base but now I won't use the caps and will just add the milk directly to the lansinoh milk bags.

I really like these! I haven't had any problems with leaking and I like that I don't have to stop mid pump to empty them! And the cap is nice because I can just immediately store them in the fridge.

Bought these to use with the Spectra S1 pump. They fit perfectly. The lid seals really well, I've had no issues with leaking. Love that the measurement lines are in color so you can actually see the amount.

I use these to pump directly into with my Spectra pump, and we even use them to feed our son with Avent rings and nipples! No leaks with the Ave

updated 5/17/2016 - my son is 7mo old: Still using, hand washing and loving. I use these in addition to Kiinde bags (I typically will direct pump at work). These are really great, and I'll always grab this from the drawer over the pink Spectra bottles (with their weird 2-piece caps.).--- original post 11/10/2015 ---I have a Spectra S1 breast pump, and needed more bottles. Well, I love these 100x more than the Spectra bottles it came with! The lids fit so much tighter, and fits on the pump like…

I am really disappointed that these are one of the only options of milk storage bottles that are compatible with my Spectra S1.1. There lid looks bulky and has a rough ridge around the top. It is also not aesthetically pleasing to look at, as it does not "match.”2. There is an inner gasket on the lid that is difficult to take out to clean. I am afraid it will start to mold if I don’t spend extra time cleaning that area. As an almost exclusive pumper I would prefer something that was designed…

I bought these bottles because it was recommended by a friend. I was able to use one of these bottles while I was pumping using my Spectra. The wide mouth is easy to clean and it twists right onto the flanges without an issue. I don't plan on using these bottles for feeding so not quite sure about the nipples. Overall it worked really well and I won't have to change bottles when I pump more than the 5 oz. that spectra bottles hold.

Screwed right on, perfect fit for my Spectra s2 flanges! No issues! Great bottles! I love that you do not need an adapter. Highly recommend!

They fit well with the Spectra pump and are dishwasher safe. The lids seem like they may unscrew a little too easily, but I pour my milk into bags for freezing right away anyway, so I’ve never needed to rely on them.

I love the bottles because they hold more when you actually pump over 7 oz and when your done you can put the top on and put it right into the refrigerator. Love it