FluidFit® Technology
Unique FluidFit® silicone technology that mimics baby suckling, in turn promoting better milk flow, less nipple inflammation and a more comfortable pumping experience.
Pumping's never felt so good!
Soft, supple silicone shield
Offers maximum comfort and fit compared to traditional hard plastic breast shields.
Simulates a baby's nursing pattern
Incorporates a unique massage, compression, and suction pattern.
A Closed System
With anti-backflow protection for your and baby's safety.Breast Shield Sizing Guide
Use the coin method to measure your pre-pump and post-pump nipple size.
Take a pre-pump measurement of your nipple, at the base. Hand stimulate to make sure your nipple is fully erect before measuring. Properly fitted flanges will be 1-3 mm larger than your nipple measurement before pumping, generally speaking. But always go by what is most comfortable for you and yields the most milk flow -regardless of what it looks like.
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No.2 Eraser7 mm
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AAA battery10 mm
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AA battery15 mm
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Dime18 mm
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Penny19 mm
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Nickel21 mm
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Quarter24 mm
- ACAshleigh C.Verified BuyerReviewingFluidFit® Breast Shields Kit 21mmI recommend this productRated 5 out of 5 stars2 months agoAMAZING KIT
These flanges/breast shields are amazing and comfortable - I hate the plastic ones my spectra comes with, even with inserts. Silicone is the way to go. I like the bottles as well and have yet to run into any issues with tipping over. That being said, I do with that they came in smaller sizes. I am a 18/19mm, so they are too big for me, but I still use them. I would highly recommend them, and if you have inserts that fit, I am sure they would work great, too!
LMLegendairy Milk2 months agoThank you for the 5-star review! We’re really grateful and appreciate you taking the time to share your experience with us💖 - DVDaniela V.Verified BuyerReviewingFluidFit® Breast Shields Kit 21mmI recommend this productRated 5 out of 5 stars3 months agoGreat price!
Great product at a great price!
- LBLaura Buckley M.Verified BuyerReviewingFluidFit® Breast Shields Kit 21mmI recommend this productRated 5 out of 5 stars3 months agoBest in comfort!
I absolutely love these flanges. These are the BEST and most comfortable silicone flanges I’ve ever used. I wish I started my pumping journey with these and would have spared myself from vasospasms and clogged ducts.
LMLegendairy Milk3 months agoThank you very much for your 5-star review. We are so glad you love the comfort and performance of our FluidFit flanges/breast shields! 🙌 - LLauraVerified BuyerReviewingFluidFit® Breast Shields Kit 21mmI recommend this productRated 5 out of 5 stars3 months agoWorks well, comfortable
The breast shields worked well and were pretty comfortable. They are a bit too large for me but unfortunately aren’t available in a smaller size. I will look to try them with insert. Giving five stars because I think they are a great option for anyone who requires these flange sizes.
LMLegendairy Milk3 months agoThank you for your 5 star review! 💙 - GEGeena E.Verified BuyerReviewingFluidFit® Breast Shields Kit 21mmI recommend this productRated 5 out of 5 stars4 months agoI'm a big fan
I like to use these right before bed when baby is already down because they are easy to clean and put together the next day and are a comfortable pump to use before sleeping. My nips don't feel sensitive and they seem very effective at drawing out my letdowns. I have a few pairs
LMLegendairy Milk3 months agoWe're so happy to hear you're loving the comfort of the FluidFit! Thank you for sharing your experience and for your 5-star review!✨