Store up to 16 oz of milk at a safe temperature for up to 24 hours (no ice cubes necessary!) with our new patent-pending Portable Breast Milk Cooler. Read more about milk temperature and our safety testing. Featuring a gel ice pack that remains separate from milk (and is TSA compliant!), and a top loop for easy carrying, it's the insulated breast milk cooler you'll bring everywhere. It also fits in most car cup holders! P.S. Already have our Pump Anywhere Bag? Our breast milk chiller was designed to fit seamlessly in the bag's bottom and top sections, so you can carry less and do more! (Even better: it also fits in most cupholders!) Key features: Fits up to 16 oz of breast milk (that's an average of 3-4 pumping sessions!) Insulated bottle keeps breast milk at a safe temp for up to 24 hours with built-in gel ice pack Leak-proof design for spill-free storage of liquid gold Easy to clean (with just two milk-contacting parts) and dishwasher-safe