MOOMentaneous 13mm Oval Flanges Breast Pump Parts Compatible with Medela Breast Pumps PersonalFit, Maxflow, Freestyle Flex Swing Maxi Connector

["2x 13mm shields, Compatible with Medela pumps (New Medela Pump in Style with MaxFlow, Lactina,Swing Maxi, Sonata, Symphony, Swing, Mini Electric FreeStyle, Freestyle Flex).","105-degree opening angle, reduce pressure on the breast. Soft texture, provides a comfortable, natural feeling.","Available in multiple sizes: 13mm,14mm,15mm,16mm,17mm,18mm,19mm, 20mm,21mm, 24mm, 27mm, 30mm.To accommodate nipples of different sizes.","Safe for Kids and Mom--Made with Food Grade Polypropylene(PP), BPA/DEHP Free.","If you find these were a tad bit misshaped in the flexible outer area, just completely immerse the part in boiling water for 5 min and then let it cool down with the whole soft rim facing down on a flat surface.If this doesn't work, please contact us and we will offer you best solution."]