The Nesting Place - Using the right sized flange when pumping can make or break your pumping experience .... The size of the flange you need is the size of your nipple.
![Amazon.com: Medela PersonalFit Breast Shields, 2 Count of Small 21mm Breast Pump Flanges, Authentic Medela Spare Parts, Made Without BPA : Baby Amazon.com: Medela PersonalFit Breast Shields, 2 Count of Small 21mm Breast Pump Flanges, Authentic Medela Spare Parts, Made Without BPA : Baby](https://m.media-amazon.com/images/I/81pG+JOHxkL.jpg)
Amazon.com: Medela PersonalFit Breast Shields, 2 Count of Small 21mm Breast Pump Flanges, Authentic Medela Spare Parts, Made Without BPA : Baby
![LactConnect Breastfeeding Blog: Breast Sheild Size - How Your Breast Pump Flange Affects Your Milk Supply LactConnect Breastfeeding Blog: Breast Sheild Size - How Your Breast Pump Flange Affects Your Milk Supply](https://4.bp.blogspot.com/-UCyj_Ecpvy0/WkfvWMK9i1I/AAAAAAAAA2U/rCjANs-wWUYZ_ZtafVgEu2SfYW6FtHS0ACLcBGAs/s1600/flangefitmentguide.jpg)
LactConnect Breastfeeding Blog: Breast Sheild Size - How Your Breast Pump Flange Affects Your Milk Supply
![Evenflo AdvancedFit Flange System, X-Large & XX-Large Sizes (33.0mm & 36.0mm) - 2 of each - Walmart.com Evenflo AdvancedFit Flange System, X-Large & XX-Large Sizes (33.0mm & 36.0mm) - 2 of each - Walmart.com](https://i5.walmartimages.com/asr/52c9dca5-8129-4ccb-a69f-9465a64a9963_1.4f08635d1a34ade85ab2e0b483882788.jpeg)
Evenflo AdvancedFit Flange System, X-Large & XX-Large Sizes (33.0mm & 36.0mm) - 2 of each - Walmart.com
![Amazon.com : TSRETE Flange Compatible with S9/S10/S12 Wearable Breast Pump Electric Shield/Flange, Breast Pump Parts Replace (24mm) - 1 Pc : Baby Amazon.com : TSRETE Flange Compatible with S9/S10/S12 Wearable Breast Pump Electric Shield/Flange, Breast Pump Parts Replace (24mm) - 1 Pc : Baby](https://m.media-amazon.com/images/S/aplus-media-library-service-media/54d7bfb1-30d5-446c-a96b-8de58bbffb6f.__CR0,0,362,453_PT0_SX362_V1___.jpg)
Amazon.com : TSRETE Flange Compatible with S9/S10/S12 Wearable Breast Pump Electric Shield/Flange, Breast Pump Parts Replace (24mm) - 1 Pc : Baby
![Amazon.com: Idaho Jones Breast Pump Flange Bundle - Your Ultimate Pumping Comfort and Flexibility! : Baby Amazon.com: Idaho Jones Breast Pump Flange Bundle - Your Ultimate Pumping Comfort and Flexibility! : Baby](https://m.media-amazon.com/images/I/71bqQW2QYIL._AC_UF350,350_QL80_.jpg)