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🍼 Pump smarter, not harder — perfect fit, every time!
The LOTBILL Flange Insert Kit offers 10 silicone inserts in 5 sizes (13-21mm) designed to reduce 24mm breast pump flanges to the ideal size for improved comfort and milk expression. Compatible with major electric pumps like Momcozy, Medela, and Spectra, it includes a nipple measuring tool and cleaning brush for a hygienic, customized pumping experience. Made from BPA-free silicone, these reusable inserts help minimize pain and maximize efficiency, making every pumping session smoother and more productive.
















| ASIN | B0CL96VP1C |
| Additional Features | Portable |
| Best Sellers Rank | #2,982 in Baby ( See Top 100 in Baby ) #30 in Electric Breast Pumps |
| Brand | LOTBILL |
| Brand Name | LOTBILL |
| Color | Transparent |
| Customer Reviews | 4.6 out of 5 stars 629 Reviews |
| Included Components | Cleaning Brush, Nipple Ruler |
| Item Weight | 0.1 kg |
| Manufacturer | LOTBILL |
| Manufacturer Part Number | FL-8910 |
| Material | Silicone |
| Material Type | Silicone |
| Model Number | FL-8910 |
| Number of Items | 10 |
| Product Style | Includes 10 flange inserts in 5 sizes (13mm, 15mm, 17mm, 19mm, and 21mm), cleaning brush and nipple measurement tool for flanges |
| Size | 10pcs-13/15/17/19/21mm |
| Special Feature | Portable |
| UPC | 726172399673 |
| Unit Count | 10 Count |
M**N
Good option
Love that it’s different sizes in 1 box and comes with a sponge to clean them with. They also fit in ever flange which is nice
C**N
Includes Nipple Measure
Came as described. All flanges are individually sealed with the different sizes. It even comes with the nipple measure so that’s super helpful! Recommend. Flanges work great. Good price.
J**E
Great
These worked great with my Spectra S2!
T**G
Great
Best purchase
A**E
A lot of size options.
I like that it has a lot of size variations. Great for the price and it works for my spectra.
D**H
Didn’t Come with Case Pictured
The item itself works fine but I bought this specific brand for the carrying case that appears in the review pictures. Mine did not come with a carrying case, all the parts were just loose in a box. I probably would’ve gone with a different brand had I known.
T**O
Works
Very convenient for pumping, down side would be that they feel just a tad loose when inserted but they get the job done
A**Y
Big difference in using a correct flange size !
Fit perfect in my Lansinoh wearable pump. I just got it today and started using it immediately. I got to say for using it just one time already it has been a life changer in a matter of 2 minutes I got about 3 oz in one side and 1 oz on my other side which it would usually take in 20 minutes on my slack side. I totally see and feel a big difference. Love love loveee it already!!!
Trustpilot
1 month ago
4 days ago