New The Willow Pump Generation 3
New The Willow Pump Generation 3

The Willow Pump Generation 3

Meet the all-in-one breast pump that fits in your bra and goes where you go. Our patented, no-spill technology lets you pump smarter and fully hands-free.

Now with more comfort. More control. And 20% more milk.

$499.99

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Find Your Flange Size

with a ruler app on your phone

    Your flange size is based on your nipple measurement in millimeters. Use an app ruler for easy and accurate sizing

    Ruler 2.0 iOS App
    Millimeter Android App
    • Download "Ruler 2.0" for iOS or "Millimeter" for Android phones.
    • In iOS app settings, set measurement to “mm”. For Android, select default calibration.
    • Stimulate nipple to perk it up
    • Place phone screen perpendicular to nipple. (Figure 1)
    • Nipple base should line up with the zero points in the corner of app screen (Figure 2)
    • Slide measurement bar on screen to opposite nipple base - that’s your nipple measurement. (Figure 3)
    • Use a flange that’s 2-4 mm larger than your nipple measurement. (Figure 4)
        • Willow Size Guide

        FRONTAL VIEW
        Hold phone
        perpendicular to nipple.

        Willow Size Guide

        TOP DOWN VIEW
        Use your finger to slide the ruler line to measure nipple.

        Flange Size Chart 4

        Find the right flange sized based on
        your measurements.

        Flange Size Chart