Size Chart - S12 Pro
| Nipple measurement | Flange |
|---|---|
| 11-13mm | 15mm Insert |
| 14-15mm | 17mm Insert |
| 16-17mm | 19mm Insert |
| 18-20mm | 21mm Insert |
| 21-23mm | 24mm Flange |
| 24-26mm | 27mm Flange |
We have such a guide exclusively to solve this problem of moms, you can check the guide on how to measure your flange size.
Please note, your breast size may change before pumping and after pumping, so please measure your size when you start pumping or the flange size may not be appropriate for you.
Find the 27mm flange here
Find the 15mm/17mm/19mm/21mm inserts here