It is well known that using the correct breastshield size is important for your pumping comfort and optimal milk supply. It is also known that one-piece design offers easy to clean fewer pieces to keep and no seams to lose suction power. Maymom is the first company world-wide to offer 15 17 19 21 25 26 27 29 30 34 and 36 mm internal diameter one-piece design breastshields to fit Medela users personal pumping needs. The valve/membrane in this set are interchangeable with your existing Medela parts. Maymom has 4 years experience in making breast pump parts. 100% compatibility is guaranteed or your money back! Disclaimer: Medela and pump names (Pump in style Swing Freestyle etc) are registered trademarks of Medela Holding AG. Maymom is not affiliated with Medela nor does Medela endorse the product.
