The Avent Double Electric Breast Pump Set plugs into an electrical outlet and provides gentle, comfortable and effective pumping for a new mom. It features adjustable-speed and vacuum settings, with a let-down setting that stimulates and encourages milk flow. This double-pump system has ergonomic, swivel handles and massaging, soft-fit breast shields. This Avent system is BPA free. It includes milk storage bags, level 1 slow-flow nipples, lids and a discreet carrying case.