2pcs Flange Inserts 21mm Compatible with Momcozy S12/S12 Pro/S9/S9 Pro TSRETE/Spectra/Medela 24mm Breast Shields & Flanges Breast Pump Adapter for 24mm to 21mm Conversion

Features：<br> Broad compatibility, suitable for traditional breast pump, plug-in breast pump, and wearable electric breast pump.<br> Practical for small-nippled mothers to use large breast shields, avoiding nipple trauma or irritation.<br> Made from food grade silica gel, no odor, friendly to mothers' sensitive skin, secure to use.<br> A practical breast pump replacement for breastfeeding, making milk expression more comfortable and efficient.<p> Specifications：<br> Color: White and transparent<br> Material: Silica gel<br> Product Weight: 15g/ 0.52oz<p> Package List：<br> 2*Flange Inserts<br> • 【Versatile Flange Sizes】 Includes two 21mm flanges, perfect for adapting to your changing needs during different stages of breastfeeding. • 【Safe & BPA-Free Silicone】 Made from 100% food-grade silicone, these soft, odorless flanges ensure safe, worry-free pumping for you and your baby. • 【Quick & Easy Cleaning】 Simply rinse with warm soapy water or sterilize using steam/boiling—ideal for busy moms seeking hassle-free maintenance. • 【Secure Double Ring Lock】 The innovative dual-ring design prevents slipping and detachment, offering a stable, frustration-free pumping session. • 【Optimal Comfort & Fit】 Proper flange sizing is key! Avoid discomfort by choosing the right fit—ensures efficient milk expression and maximum comfort.