Medela’s breast milk storage cooler is a mom essential and favorite that is often included as a feature accessory in our double electric breast pump packages. This cooler bag for breast milk includes additional bottles, lids, and an ice pack, and has all the extras you need on hand for safe, efficient transportation of your breast milk. Our breast milk cooler and transport set is compatible with our 5-oz. breast milk bottles, so you can keep your liquid gold cool when on the go – whether commuting home from work, traveling, or transporting to and/or from daycare. What’s Included: (4) 5-Oz. / 150 mL breast milk bottles with lids; (1) Contoured ice pack; (1) Cooler bag As always, all Medela breast milk bottles, pump parts, and accessories that come into contact with breast milk are – and have always been – made without BPA. As authentic Medela spare parts, these products are engineered, tested, and approved to work specifically with your Medela breast pump. Non-authentic spare parts can vary greatly in terms of design, materials used, and workmanship, all of which may affect your ability to safely and efficiently transport your breast milk. *QuintilesIMS ProVoice Survey; November 2016 – October 2017.