Maymom MyFit Pano Shields - 15mm, 16mm, 17mm (1 Shield per Size). Compatible with Medela Pump in Style with MaxFlow Pro Pro+, Pump in style, Lactina, Symphony, Swing, Mini Electric FreeStyle, Swing Maxi, Sonata, Freestyle Flex and Harmony. NOTE: connectors are not included in this listing. Also compatible with Lansinoh SignaturePro SmartPump Manual Pump, replace Lansinoh Pump Parts, Lansinoh Flanges. US FDA registered medical device (No. D192499); Products are inspected by US FDA. Complies with US FDA and EU standards for containers that contact food and class II medical device; Test reports are online for your reference; Flange opening is 105 degree, more suitable for mothers with large breasts or flatter contour breasts; Soft and flexible edge for more comforts; Larger cup size for more covered area of breasts during pumping; elliptical-shaped design to rorate and adapt for comfortable pumping. Made of Bisphenol-A (BPA)/DEHP-free material. Can be cleaned with water steam, boiling water or microwave-steam bags. Retail poly-bag packed; sealed by the manufacturer - Maymom. Available in various sizes (12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28mm) for purchase. Maymom MyFit Flanges Pano Goldie Pack 15 16 17 mm Compatible with Medela Breast Pumps and Maymom Wide Base and Narrow Base Connectors