Maymom Flange Insert Compatible with Elvie Stride Shields/Flanges.

Box contents: 2 x 13 mm inserts. Compatible with Elvie Single/Double Electric, Elvie Stride Cup 24mm. Reduce the protective nipple tunnel from 24mm to 13mm. Compatible with Momcozy S9, S10, S12 (24mm Cup) / LegendaryMilk (24mm Cup) / Tsrete Wearable Silicone Cups (24mm Cup). Also compatible with the Medele PersonalFit Flex 24mm Nipple Maintain compatibility with most hands-free bras. You can still use most hands free bras on the market, installing this insert inside the removable 24mm protectors. Perfect fit. Unlike the other version of the Maymom longer nipple insert, there is no need to cut or cut this Maymom insert model. Available sizes: 21, 19, 17, 15.15 mm. BPA free, made of food grade silicone. Meets US FDA regulations for food contact.