Breast Shield Convertors (Breast Pump Flange Sizing Inserts)

Regular price $16.00
Unit price
Use with The ONE Pump
Use with Express Cups
Use with Embody
Use with The INs

These unassuming little inserts are EVERYTHING for your comfort! Use them to refine the fit of your pump's breast shields so that you can experience more comfortable and more efficient pumping.

Simply add any three convertors to the cart to receive one for free!

View our Size Guide to find your size!
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Single-piece food-grade silicone construction

Food safe and free of BPA, PVC, BPS and Phthalates

Sizes 13–26 available

1 pair included. Split sizing not available

This part should be replaced every 3 months or at the first signs of wear

A little extra detail about Breast Shield Convertors (Breast Pump Flange Sizing Inserts):

What size convertors do I need?

You can use our Size Quiz to find your recommended size. Alternatively add 1-2mm to your nipple base measurement (do not include areola). For example, Sam measures 15mm on one nipple, 16mm on the other, so size 17mm is the recommended size convertor. You might not need a convertor if your size is a standard breast shield size.

What convertors will work with my size breast shield?

Size 26 convertors fit in size 28 silicone breast shield. Sizes 22 and below fit in size 24 plastic or silicone breast shields. These won't work with Youha silicone massage cushions.

Why are there two different shaped convertors here?

For those who are a bit smaller than the Youha convertor range and need size 15 or 13 convertors, we've stocked up on the fantastic Milky Business flange inserts. Milky Business use a slightly different design but perform equally well.