Product Overview: The Medela Breast Milk Cooler & Transport Set is a complete system for safely storing and transporting breast milk. Key Features: ‣ Includes four 5oz bottles with lids for secure storage ‣ Contoured ice pack keeps milk cool for extended periods ‣ Insulated cooler bag ensures safe and convenient transport Specifications: ‣ Material: BPA-free plastic and insulated fabric ‣ Capacity: 5oz (150ml) per bottle ‣ Age Suitability: Suitable for newborns and up