When carrying breast milk through security checkpoints it is treated in the same manner as liquid medication. Parents flying with, and without, their child(ren) are permitted to bring breast milk in quantities greater than three ounces as long as it is presented for inspection at the security checkpoint. Additionally, empty bottles and ice packs are permitted under these conditions.
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Although formula, breast milk, and juice is inspected at the checkpoint, you, your infant or toddler will not be asked to test or taste the breast milk, formula, or juice.