Can these be boiled? Mine is losing its shape and so the ends are pinching me bad.

I boiled mine to sanitize them when I first got them. Seemed fine.

If i measured 15mm would these be correct or should i purchase a 17mm insert?

I believe it depends on which pump you are trying to get. Willow needs exact sizing, I’ve heard to go up in spectra. I bought 15 and 17 and use whichever one was more comfortable, which was the true to size, 15s. Hope that helped!

If anyone used these with momcozy s9 how well did they work??

They work very well. I used them in the 24mm momcozy

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Maymom Flange 15mm Inserts Compatible with Medela, Spectra 24 mm Shields/Flanges, Momcozy/Willow Wearable Cup. Compatible with Medela Freestyle, Harmony, to Reduce 24mm Down to 15 mm; 2pc/Each

Product ID: 217535972

Details

Brand
Maymom
Material
Silicone
Number of Items
1
Size
2 Count (Pack
Special Feature
Wearable

📏Reduces 24mm flange to 15mm

🤱Compatible with 7+ major pump brands

🧴BPA-free food-grade silicone

S$29

Duties & taxes included

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Description

🤱 Upgrade your pump game—comfort and compatibility in one sleek insert!

COMPACT LIGHTWEIGHT - Slim design and featherlight 1.45 oz weight make it easy to carry and use anytime, anywhere.
HANDS FREE BRA FRIENDLY - Maintains compatibility with most hands-free bras, empowering multitasking moms on the go.
UNIVERSAL COMPATIBILITY - Works flawlessly with Medela, Spectra, Momcozy, Willow, and more—your all-in-one flange solution.
SAFE HYGIENIC MATERIAL - Crafted from BPA-free, food-grade silicone to keep you and baby safe during every pump.
PRECISION FIT FOR ULTIMATE COMFORT - Seamlessly reduces 24mm nipple tunnel to a perfect 15mm for a custom pumping experience.

The Maymom 15mm flange inserts expertly reduce standard 24mm breast pump shields to a more precise 15mm size, enhancing comfort and fit. Made from BPA-free, food-grade silicone, these inserts are compatible with a wide range of popular breast pump brands including Medela, Spectra, Momcozy, and Willow. Designed to work seamlessly with hands-free bras, they offer a lightweight, portable solution for busy, modern moms seeking efficiency and comfort during pumping sessions.

Specifications

ASIN	B08CNC7M9H
ASIN	B08CNC7M9H
Additional Features	Wearable
Best Sellers Rank	#8,803 in Baby ( See Top 100 in Baby ) #121 in Electric Breast Pumps
Brand Name	Maymom
Customer Reviews	4.4 4.4 out of 5 stars (1,633)
Date First Available	July 28, 2020
Item model number	X012-i15x2
Manufacturer	Maymom
Manufacturer	Maymom
Manufacturer Part Number	X012-i15x2
Manufacturer recommended age	0 months and up
Material Type	Silicone
Model Number	X012-i15x2
Number of Items	1
Package Dimensions	3.54 x 2.32 x 1.26 inches; 1.45 ounces
Size	2 Count (Pack of 1)
Unit Count	2 Count

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