62 Ways to Ace Holiday Travel With Kids

Fill a minicooler (we like this one by Built NY, $25) with a frozen ice pack and bottles. If your tot is teething, you can also stash a teething ring in here to keep it cool. Be sure to let the TSA agent at security know that you have milk or formula with you — though the three-ounce rule doesn't apply, they will need to hand-check your stash.