Aquaheat Cool Pack is designed specifically to keep food cold while you’re on the go. No more need for messy or leaky ice packs! These Cool Packs fit perfectly in the Aquaheat Mega Container, and it maintains its cold temperate longer than standard ice packs. Stop worrying about your lunch, baby food, or even breast milk going back while you’re out. When you’re ready to heat up food, just use an Aquaheat Hot Heat Pack, and return the Cool Pack to the freezer to get it ready for your next meal on the go!