Maymom Breast Pump Kit for Medela Pump in Style Pumps; 2X Breastshields, 4 Valves, 6 Membranes, 2 Pump-in-Style Tubing; (17 mm (XX-Small))

Contains 4 valves, 6 membranes, 2 pump in style tubing and two 17-mm (extra extra small) one-piece breastshields; Other sizes of breastshields for purchase - 15, 17, 19, 21, 24, 25, 26, 27, 29, 30, 36 mm. Compatible with selected Medela pumps. NOT for FreeStyle, FreeStyle Flex, Swing Maxi, Sonata, Harmony, Pump in Style with Maxflow Pro Pro+. Refer to the photos of this listing to find the right kit for you. Measure your nipple diameter first (do it AFTER a pumping session). This 17 mm shield is suitable for mothers with nipple diameter 14-16 mm during pumping. DO NOT use it if your nipple diameter are outside the range to prevent from discomfort. This product is designed to use with Medela Pump-In-Style Advanced breastpump released after July, 2006. The tubing has adapter on one end, and a blunt end on the other. Please refer to face plate photos before making purchases. DOES NOT include bottles. Breastshield can be connected with Medela storage bottle. Breastshield is 100% compatible with Medela valves and membranes. Made from BPA free Materials. All items packaged retail pack, sealed by manufacturer for best protection and hygiene.