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. 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.