Boon's Frosh Milk Chiller and Breast Milk Storage Bottle gives moms on the go an easy way to store milk and keep it chilled with no need to add bulk to their bags. The Frosh breast milk storage bottle's compact size slips easily inside a diaper bag or purse and the double wall vacuum seal keeps milk cold for up to 17 hours.* Simply fill the Frosh portable breast milk cooler with ice water and pour your milk into the double wall vacuum sealed stainless steel. It's adaptable and can hold 10, 14 or 24 ounces of breast milk as a portable breast milk storage container. Frosh is dishwasher friendly too, making it simple to keep it ready for wherever the day takes you. And if the day takes you on a plane, Frosh is fully TSA compliant. Say goodbye to bulky coolers and say hello to FROSH. The Frosh is a fantastic way to have milk ready on the go and makes the perfect baby travel essential for a baby registry. *When chilling 10 ounces of milk at 70°F (21°C) in outer chamber with ice in inner chamber.