The Vitaflo USA LLC PKU Cooler 20 is an essential companion for transporting and storing PKU formula on the go. Its compact size and insulated design keep formula cold for up to 12 hours, even in extreme temperatures. The 174 mL capacity accommodates a single serving, providing extended freshness. The leak-proof lining eliminates spills, while the purple color ensures easy identification. The cooler's carrying handle facilitates comfortable transport, and its BPA-free construction guarantees safety and durability. Ideal for traveling, appointments, or daily errands, the Vitaflo USA LLC PKU Cooler ensures that children with PKU receive the proper nutrition they need, maintaining the integrity of the formula and providing peace of mind for parents.