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👩🍼 Perfect fit, flawless flow — because your comfort deserves precision.
The Nursi Luna Flange Sizing Kit offers 10 BPA-free silicone flange inserts in five sizes (13-21mm) designed to optimize breast pump efficiency and comfort. It includes a nipple measuring tool for accurate sizing and a cleaning brush for easy maintenance. Lightweight and portable, this kit supports healthy, comfortable pumping sessions for breastfeeding moms.






| ASIN | B0CKZH37FX |
| Best Sellers Rank | 519 in Baby Products ( See Top 100 in Baby Products ) 5 in Breast Pumps & Accessories |
| Brand | Nursi Luna |
| Brand Name | Nursi Luna |
| Colour | Transparent |
| Country Of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 1,998 Reviews |
| Included Components | 13mm Flange Inserts * 2PCS, 15mm Flange Inserts * 2PCS, 17mm Flange Inserts * 2PCS, 19mm Flange Inserts * 2PCS, 21mm Flange Inserts * 2PCS |
| Included components | 13mm Flange Inserts * 2PCS, 15mm Flange Inserts * 2PCS, 17mm Flange Inserts * 2PCS, 19mm Flange Inserts * 2PCS, 21mm Flange Inserts * 2PCS Included components 13mm Flange Inserts * 2PCS, 15mm Flange Inserts * 2PCS, 17mm Flange Inserts * 2PCS, 19mm Flange Inserts * 2PCS, 21mm Flange Inserts * 2PCS See more |
| Is the item dishwasher safe? | Yes |
| Item Weight | 0.12 Kilograms |
| Manufacturer | Nursi Luna |
| Manufacturer Part Number | FL-001 |
| Material | Silicone |
| Material Type | Silicone |
| Material Type Free | BPA Free |
| Model Name | FLANGEKIT |
| Model Number | FL-001 |
| Number of Items | 1 |
| Operation Mode | Manual |
| Operation mode | Manual |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Size | 10PCS-13/15/17/19/21mm |
| Special Features | Lightweight, Portable, Wearable |
| Special feature | Lightweight, Portable, Wearable |
| Unit Count | 10.00 count |
G**E
Good for anyone with a breast pump
Bought to use with a hand-me-down pump. Immediately made the pump more effective due to actually using the right size flange. The cleaning brush is a good addition and the sizer works well.
A**R
Silicone has sterilised well
Product was fine for my madela swing flex sheild but too smal for my Ardo. Good quality and have sterilised well.
C**S
Fantastic
So impressed - works for Lansinoh electric double pump. Would 100% recommend - sizing tool is great and inserts work well and are comfy
N**A
Good but not as pictured
These are really good with my medela freestyle hands free. I didn’t realise I was wearing an incorrect size. The only downside is that these are not clear so you cannot see the nipple to ensure correct fit, hence 4 stars.
M**B
Great value!
Super easy kit, great for measuring out flanges for my pumps. Really helps to have the right size. Great value for price as well
M**N
Great measuring tool
Great tool however frustrating that it is every second size so had to buy a second box.
S**.
Perfect for all pumps
A must if you use any type of pump. I didn’t realise how wrong the size I was using was. The inserts fitted perfectly into my Medela in-bra and hand pump.
A**R
Great
Really easy to use compared to other sets.
A**Y
Great!
The flanges saved me when I really needed a smaller size for my pump. It feels a lot more comfortable now and no more fussing. I highly recommend for pumping mamas
E**H
Good Quality and Fit All My Pumps!
I love this kit!! My flange size has changed a couple times throughout my breastfeeding journey and this kit has all the sizes I have needed. The flanges are great quality and have fit in my spectra, baby buddah 2.0, and momcozy s12. Would highly recommend!
M**S
Funciona 10/10
Me ayudó demasiado la goma que trae para medir el pezón, además trae una tabla que te dice qué medida usar. La extracción ha sido más efectiva gracias a esto. Quedo a mi extractor eléctrico spectra
E**Y
Super soft, easy to clean, and work well with multiple pumps
Super soft inserts, they work with both the Spectra S1 and the Medela Harmony hand pump. They’re really easy to clean and the kit comes with a little sponge brush, which isn't the best quality but l if you don’t already have one, it work just fine. The silicone sizing ring is also nice to have so you know what to buy if you’re looking for a secondary pump or just need to replace a flange. Inserts all have the sizes embossed on the neck so even if you open/unwrap them all you’ll be able to know which is which.
I**R
Brilliant!
I wish I knew about this product sooner. Fits perfectly into my BabyBuddha 2.0 and made pumping loads more efficient and comfortable. Highly recommend
Trustpilot
3 days ago
2 weeks ago