Medela Breast Milk Collection and Storage Bottles, 5 Ounce - 6 ct by Medela

Extra bottles are compatible with all Medela breast pumps, as well as calma, for pumping directly into the bottle;Safe plastic made without BPA, designed to retain breast milk's beneficial properties;Ideal for safe storage of breast milk in refrigerator or freezer;Screw on lids for leak-proof storage, travel and freezing;Dishwasher and microwave safe