With summer coming to an end and back to school time swiftly coming up, it's time for those attending school to gather their school supplies. One must-have for every student of all ages? A lunch box! Remember your school lunch box when you were a kid? From the cute plastic boxes with the matching thermos to the kitschy tin boxes to more cushion-y sack bags, the lunch box (which is also known as a "lunch pail" or a "lunch kit") has surely come a long way. Here is the evolution of the lunch box!