Medela: Specialized breastfeeding products. Model by nature, the first choice in the world. Medela Cooler Bag isothermal carrying bag is the ideal solution for active mothers, for the management and transport of Breast Milk. At Medela we have developed a system that allows you to keep your pumped milk cold, safely - especially when you are outside. Transports and keeps pumped breast milk cold, Small in dimensions, Convenient design. Storage of Breast Milk With the special Cooler Bag isothermal bag, you can safely carry up to four bottles of breast milk, in addition to your pump. Insulation of the inside of the Cooler Bag will keep breast milk cold for a long time. The Cooler Bag is available for sale separately or comes with the elegant CityStyle breastfeeding accessory bag. Package with 1 piece Cooler Bag. Accessories: The Cooler Bag contains: 1 specially shaped ice pack, 4 bottles of breast milk (150ml).