CONTENT 2 pc NENESUPPLY GentleFit 21mm FLANGES BREASTSHIELDS COMPATIBLE WITH Pump In Style Advanced Pump In Style with MaxFlow Symphony Lactina Swing Harmony Sonata Freestyle Flex Freestyle and Swing Maxi Breast Pumps MADE BY NENESUPPLY Not original Medela pump parts Comply with EU and USA regulations for materials that contact food COMFORTALBE DESIGN LONGER TUNNEL and SMOOTH ANGLE Suitable for long nipples COMPATIBLE WITH Medela 21mm flange Personalfit connector and Personalfit Flex connector EASY TO CLEAN DETACHABLE 2PIECE SHIELDS Dishwasher safe Work with most Handfree bras BPA and DEHP Free