Willow Breast Pump Sizing Insert, 19mm for 15mm-17mm Nipple Size

Silicone INSERTS Flange Sizing Kit

Begical Flange Inserts 21mm for Medela/Spectra/Elvie/momcozy

Willow Breast Pump Sizing Insert Set - Smaller Flange Fit

Willow Breast Pump Sizing Insert Flanges

Legendairy Milk Elvie Hack

Flange Insert :The 13/15/17/19/21mm wearable breast pump flange/shield insert compatible with Momcozy Breast Pumps.Diaphragm is transparent,made by

Silicone Flange Insert 13mm/15mm/17mm/19mm/21mm 5pcs Wearable Breast Pump Accessories,Compatible with S9/S10/S12/S4DW ,Electric Breast Pump Parts

Silicone INSERTS Flange Sizing Kit

Willow - Sizing Insert Set (2-pack) — Willow Canada

Willow 3.0 vs. Willow GO - Which is Right for You?