CONTENT: 2pc 15mm flanges/shields/breastShields and 2pc soft cushions suitable for mothers with nipple diameter AFTER pumping 12-14 mm (AFTER pumping) | COMPATIBLE WITH:Medela pumps - Pump In Style, Pump In Style with Maxflow, Symphony, Lactina, Swing, Harmony, Sonata, Freestyle Flex, Freestyle, Mini Electric FreeStyle,Swing Maxi. Also compatible with Lansinoh SignaturePro SmartPump Manual Pump, replace Lansinoh Pump Parts, Lansinoh Flanges. | DIFFERENT FLANGE SIZE AVAILABLE:13mm,14mm,15mm,16mm,17mm,18mm,19mm,20mm,21mm,22mm,24mm,27mm. | EASY TO USE: Easy to install and remove and clean. Work with most Handfree bras. BPA and DEHP Free.