Medela Breast Pump Bag For Sonata, Freestyle, Pump In Style Advanced Starter Set, Swing and Harmony Breast Pumps (1081472_EA) 1/EABag is designed specifically for toting Medela's breast pumps Sonata, Freestyle, Pump In Style Advanced Starter Set, Swing and Harmony Bag is made of easy to clean, water resistant, microfiber material Top zipper closure ensures privacy and security Strap is adjustable so you can carry it as it best suits you Large top opening and low bag profile makes it easy to see and makes pump easy to store Power adaptor access port allows you to discreetly