Flanges
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*Unopened items only. See our Return & Exchange Policy for hygiene-related conditions on opened items.

Flanges is a set of comfort flange inserts, designed to help you find the right fit for genuinely comfortable pumping. A well-fitting flange affects comfort and output more than almost any other setting — these inserts let you adjust your fit without buying a whole new pump.
*4 sizes confirmed from product photos. Confirm whether sold as a full set or individually.
How to Find Your Size
Measure your nipple diameter (not areola) right before a pumping session, then add 2–4mm for comfortable room. Try that size for a few sessions — comfort should improve noticeably. See our full flange size guide for step-by-step measuring instructions.
Specifications
*Material and compatibility need confirmation before this table is accurate for customers.