Shop (1) Sonata Breast Pump with Rechargeable Lithium-ion Battery, (1) Breast Pump Bag, (1) Double Pumping Kit with (2) Breast Shield Connectors, (2)Connector Caps, (2)Valves, (2)Silicone Membranes, (1) Set of Tubing, (1)Set of 21 mm and 24 mm PersonalFit Flex™ Breast Shields, (4) 5 oz. Bottles with Lids, (1) Cooler and Cooling Element, (2) Bottle Stands, (1)Power Adaptor