Proven full featured electric breast pump designed to maintain breastmilk supply with daily use. Comes with convenient shoulder bag, containing everything you need for pumping. | Has proven features of the Original, but with Natural Expression for more effective let-down, which helps some mothers express more milk. Comes in convenient shoulder bag. | Has proven features of the Original, but with Natural Expression for more effective let-down, which helps some mothers express more milk. Pick this pump if you like the backpack carrying mode. | Removable cooler carrier Double pumping accessory kit Cooling compartment AC adapter Battery Pak 4 collection containers and lids 2 container stands Breastfeeding Information Guide |