Highest Performing Retail Pump Available! The only electric retailpump with breakthrough Natural Expression pumping for maximum milk flow. First researched and developed for hospital breastpumps, Natural Expression is an advanced pumping pattern that mimics a babys nursing rhythm by pumping in two distinct modes. Let-down mode: Simulates your babys initial rapid suckling to initiate faster milk flow. Expression mode: Simulates your babys slower, deeper suckling for maximum milk flow in less time. Stylish black backpack in easy-to-clean microfiber for on-the-go convenience. One touch let-down button designed for faster milk flow. Customized pumping with adjustable speed and vacuum control. Contents: black microfiber bag, removable cooler carrier, removable motor unit, double pumping accessory kit, manual breastpump, cooling elements, AC adapter Battery Pak, 4 collection containers and lids, sample of CSF Collection, Storage and Freezing breastmilk bags, Breastfeeding Information Guide, PureLan100 sample fo...