One-Piece Breastshield (19 mm, Extra Small) Compatible with Medela Breast Pumps (Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease); Smaller Than Personalfit 21 mm; Made by Maymom

Brand: MaymomFeatures: 19 mm internal diameter; Suitable for niple diameter 15.5 - 17.5 mm; One-piece design; easy to clean, less piece to keep, and less chance for suction power loss. Made from BPA/DEHP-free material and all components are steam safe for sterilization. Breastshield x1 (19 mm ID, smaller than Medela's smallest PersonalFit 21 mm breastshield), Valve x 1, Membrane x 1; Compatible with all Medela pumps EXCEPT FreeStyle, Maxi and Harmony. US FDA registered medical device (No. D192499); Comply with US FDA standards for containers that contact food and class II medical device. Test reports are online for your reference; Retail poly-bag packed; sealed by the manufacturer. Binding: Baby Productmodel number: M012-xsFVMAPart Number: M012-xsFVMADetails: It is well known that using the correct breastshield size is important for your pumping comfort. Choose the size that will fit the best for you. One should choose the size based on her nipple size, not the breast size. This produ