Cool Bananas! A handy hot or cold pack to keep around for any kind of temperature emergencies you might encounter.  To keep things cool, you can pop it in the freezer for an hour and then into a lunchbox to stop your salad or sandwiches heating up. You can also use it to cool you down and help prevent swelling. When you need to heat things up you can pop it into hot  (not boiling) water for 7 minutes and then apply it wherever it's needed. What's it made of? Plastic & non toxic heat absorbing gel. How does it come?In plastic packaging measuring 16 x 8.5 cm. Bananas approx 9 x 8 cm. For external use only, do not consume.