Wide Pump Compatibility：20mm flange wide-mouth flange Compatible with Spectra S1, S2, 9 Plus, Synergy Gold, Motif Luna, Mya, and Cimilre pumps. Improved Comfort and Fit, for Hassle-free Use
Suitable for Wide-Mouth Bottles：Compatible with Spectra, Avent, Nenesupply, Maymom and most wide-mouth bottles
Safe Materials: Made from BPA-free, food-grade materials, these flanges are safe for you and your baby
Choose the Right Size：Available in multiple sizes including 15mm,16mm,17mm,18mm,19mm, 21mm, 24mm for a better fit. Having extras on hand has saved you during hectic days
Easy to Clean & Maintain：All parts are top-rack dishwasher safe or hand wash with mild soap
