2x 19mm 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,...