One-Piece Breastshield (19 mm, Extra Small) w/Valve, Membrane for Medela Breast Pumps (Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease); Smaller Than Personalfit 21 mm; Made by Maymom
Brand: Maymom

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 product is designed to work with Medela's pumps including Pump in Style, Lactina, Symphony, Single Deluxe, Double Ease, Double Plus and Manual pumps. It does NOT work with FreeStyle and Harmony. Disclaimer: Medela is a registered trademark of Medela, Switzerland. Maymom is not affiliated with Medela nor does Medela endorse the product.

19 mm internal diameter; Suitable for nipple 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.