Medela Breast Milk Storage Solution Set, Store and Organize, BPA Free, 101037168, Clear, 45 Pieces is the perfect complement to any Medela breast pump and makes for a great registry or gift item. The Medela Breast Milk Storage Solutions Kit allows you to easily and conveniently store, organize, and protect your breast milk. This 45 piece storage set includes (6) 5-Oz. / 150 mL breast milk bottles; (6) 2.7-Oz. / 80 mL breast milk bottles and lids; (6) labeling lids; (25) 6-Oz. / 180 mL breast milk storage bags; (1) Storage tray; (1) Breast Milk Storage Guidelines magnet. All breastfeeding supplies in this set including the breast milk bottles, labeling lids, and breast milk bags are compatible with all all other Medela breast pumps and are ideal for short-term and long-term storage.