Photo 1 of Flange Sizing Kit with 10PCS Flange Inserts 13/15/17/19/21mm and Nipple Measurement Tool for Flanges, Silicone Breast Pump Flange Insert Kit for 24mm Most Pumps, Pumping Breastfeeding Essentials Kit

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Photo 1 of Flange Sizing Kit with 10PCS Flange Inserts 13/15/17/19/21mm and Nipple Measurement Tool for Flanges, Silicone Breast Pump Flange Insert Kit for 24mm Most Pumps, Pumping Breastfeeding Essentials Kit