No Loose or Dry Ice Permitted in Disney Parks

For those who planned on bringing a cooler to the parks with you, This rule will affect you.

Guests are no longer permitted to bring loose or dry ice into the parks and Disney reccommends using reusable ice packs to keep your snacks and drinks cool.

PC: Disney

A tip though is that you can go to Quick Service locations and request a cup of ice or water and it is free of charge.