Is the widest part of the opening supposed to be perfectly flush?

Its almost flush, but first I had to rub a little bit of olive oil around the outside of the flange and pushed them in firmly. That was the quickest way to get them placed in.

Will these inserts ever come in a 17 or 19mm like the other pump parts you provide? A 21 is still too large

Freemie offers an OEM insert for their collection cups down as small as 15 mm, although price is considerably more than Maymom.

how often should cushions be replaced?

I personally didn’t replace them unless they tore because I washed them after every use

Does this fit the elvie stride?

Yes it does. It's a tight fit but you can make it work.

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Flange Inserts for Freemie Flanges

Product ID: 33738793

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📏21mm size

🔄2 inserts per pack

🧴BPA-free silicone

Description

👶 Pump with Precision: Elevate your breastfeeding journey!

EASY MAINTENANCE - Simply hand wash with warm water and mild soap.
ECO FRIENDLY CHOICE - Crafted from BPA-free silicone for peace of mind.
UNIVERSAL COMPATIBILITY - Works seamlessly with Medela, Spectra, and Momcozy wearable pumps.
COMFORT MEETS FUNCTIONALITY - Designed for nipple diameters of 18-20mm post-pumping.
TRANSFORM YOUR PUMPING EXPERIENCE - Easily reduce Freemie 25mm cups to 21mm for a perfect fit.

The Maymom Flange Inserts 21mm are designed to enhance your pumping experience by providing a snug fit for various breast pump models. Made from BPA-free silicone, these inserts are compatible with popular brands like Medela and Spectra, ensuring comfort and efficiency. Each pack contains two inserts, perfect for mothers seeking a reliable and eco-friendly solution to their pumping needs.

Specifications

Product Dimensions	1.97 x 3.54 x 0.71 inches
Item model number	4327984473
Is Discontinued By Manufacturer	No
Safety warning	This product contains small parts and it is not a toy. Keep it away from children.
Target gender	Unisex
Material Type	Silicone
Care instructions	Hand wash with warm water and mild soap, avoiding harsh chemicals
Number Of Items	2
Batteries required	No
Dishwasher safe	No
Is portable	No
Item Weight	1 ounces

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