Medela Breast Milk Freezing and Storage Containers, Clear and Yellow, 87061, 12 Pack is a collection of 2.7 oz/80mL containers and lids, and are perfect for smaller amounts of pumped breast milk and easily store in the refrigerator or freezer. Medela's signature bottle design allows moms to store their breast milk long-term without losing any of its natural beneficial properties. Compatible with Medela breast pumps for pumping directly into the container (not recommended for use with the Single Deluxe breast pump). Containers have a large panel for writing name, date and time, and easy-to-read volume marks, graduated in ounces and milliliters. The Breast Milk Freezing & Storage 12 Pack comes with a reusable Quick Clean Micro-Steam bag for daily cleaning of breast milk bottles, nipples and other feeding accessories. All parts that touch breast milk are made without BPA and safe for mom and baby.