I bring up the subject of recycling Korbel boxes each year around New Year's as this is the time of year when Korbel boxes are available in quantity from liquor stores.

I am posting the following photo story to show how to ideally resize them for the purpose of storing insulators.

This picture shows the 15 dividers and not the usual 12 you see in wine boxes. Notice that these are sturdier than what you typically find in wine boxes.