15/17/19/21mm Flange Sizing Kit, 8PC, Spectra/Momcozy/Medela-Compatible

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Compatibility: Package Includes 8-Piece Flange Inserts (15/17/19/21mm, 2 Pieces Each Size) for Your Breast Pump

These breast pump accessories are designed to be compatible with most 24mm Shields/Flanges. They work perfectly with any S9 Pro, S12 Pro, S9, S12 wearable breast pump lines, such as the Momcozy S12 Pro, S9 Pro, S12, or S9 Hands-Free breast pump. Use them with 24mm breast Shields from various brands like TSRETE, Medela, Spectra, Elvie, Willow, Bellaaby, Motif, Luna, AmedaMYA, Ainsir, Phanpy, Lulia, NaNaLazy, Luxlady, kidzio, eulumap, Teexin, Fisroa, KIS.

Attention: Please note that these breast pump accessories are only suitable for 24mm Shields/Flanges and will not work with other sizes. To reduce friction and make insertion easier, coconut oil or nipple butter can be used.

Easy Cleaning: After each use, simply wash the replacement parts with warm, soapy water and rinse them thoroughly.

Safety: Our accessories are made from transparent, BPA-free silicone, ensuring safety and peace of mind.

Replacement: The size of your flange insert is crucial for both comfort and efficient pumping. Some moms may experience nipple swelling while pumping, so it's important to monitor your nipple's appearance during sessions. We recommend replacing the flange insert every 1 to 2 months to ensure optimal performance. Always choose the correct size for the best results.