The Medela Breast milk Storage Solution perfect complement to any Medela breast pump this complete system allows you to store organize and protect breast milk throughout your breastfeeding experience and accommodate your babys growing and changing breast milk needs. Medela breast milk bottles labeling lids and Pump and Save breast milk bags are compatible with all Medela breast pumps and ideal for short and long-term storage. Extra containers are also great to pump into for fast easy breast milk storage. • All parts that touch breast milk are made without BPA and safe for mom and baby.