Microwave Label
A reversible thermochromic ink printed onto packaging/label to show that a required temperature has been reached, or to warn that cooking has made food or liquid very hot. i.e. Hungry Jacks Maple Syrup label changes colour when microwaved to show that they syrup has been heated and is HOT.
Also available as a permanent colour change.
Thermochomric ink printed on lid
Interactive heat cards. Changes colour
when microwaved.
Reach the right temperature to see it change
Lid changes when oven cooked