Keeps Breast Milk Storage Bags Safe/ Protected,Efficient and Space-Saving Design,Provides First In-First Out System,Compatible with Milkies/ Other Milk Storage Bags,Disassembles For Easy Cleaning,Stores Up To 60 oz. Breast Milk,"Quick-Freeze" Tray Facilitates Rapid Freezing,BPA-Free,Phthalates-Free,Silicone-Free