Medela Swing Flex 2-Phase Electric Breast Pump The Medela Swing Flex Single Electric Breast Pump is a compact design featuring PersonalFit Flex shields and Medela 2-phase expression technology. Compact, portable, and easy to use, you can conveniently switch between phases and vacuum levels finding the most comfortable setting for you. The Swing Flex comes complete with Medela PersonalFit Flex breast shields for added comfort and improved milk flow.The oval shape of the PersonalFit Flex shield with its soft, smooth, flexible rim can be rotated 360 degrees, so you can easily adapt its position to suit your breast shape. Medela 2-Phase Expression technology mimics baby's instinctive rhythms for a more natural-feeling and comfortable pumping experience Items delivered: 1 x Swing Motor Unit, 1 x mains adapter, 1 x 150ml bottle with lid, 1 x bottle stand, 2 x PersonalFit Flex breast shield (1 x 21mm, 1 x 24mm), 1 x Quick card, instructions for use Material Content: Polypropylene, Silicone, Thermoplastic Elastomer