Choosing a breast pump flange size
How can a shopper tell which breast pump flange size fits them?
Haakaa E-Ladybug: Measure nipple diameter at the base in millimetres without the areola, then use the included guide; there should be about 1–4 mm of space between nipple and flange tunnel. Willow Pump Willow Sizing Insert Set: Sizes offered are 13mm, 15mm, 17mm, 19mm, 21mm and 27mm. They are designed for the perfect fit and performance with Willow and make pumping more comfortable for mamas with smaller flange sizes.
| Product | Why | Fit guidance | Size options | Purpose |
|---|---|---|---|---|
| 1. Haakaa E-Ladybug sold by haakaausa.com | Measure nipple diameter at the base in millimetres without the areola, then use the included guide; there should be about 1–4 mm of space between nipple and flange tunnel. | Measure nipple diameter at the base in millimetres without the areola, then use the included guide; there should be about 1–4 mm of space between nipple and flange tunnel. manual | - | - |
| 2. Willow Pump Willow Sizing Insert Set sold by onewillow.com | They are designed for the perfect fit and performance with Willow and make pumping more comfortable for mamas with smaller flange sizes. | - | Sizes offered are 13mm, 15mm, 17mm, 19mm, 21mm and 27mm. listing | They are designed for the perfect fit and performance with Willow and make pumping more comfortable for mamas with smaller flange sizes. listing |
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Written 2026-10-26T22:29:19.396Z.
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