Our precious Penguin Hot/Cold Pack will not only make bruises and boo-boos feel better, but you can take one directly from your freezer and put it in your lunch box to help keep your lunch cool and fresh. Keep one of our cute penguins in the freezer to soothe and reduce swelling of bruises, sprains or insect bites. Or, warm the pack in hot (not boiling) water to relieve aches and pains. Soft touch exterior, non-toxic gel, 3 /12" x 4 1/2" x 1/2"