Which innovative packaging feature was NOT included in the original WWII K-Ration design that revolutionized military field nutrition?

World War II saw significant innovations in military product packaging and design, fundamentally changing how soldiers were supplied in the field. These innovations not only served practical purposes during wartime but also influenced commercial packaging techniques we still use today. Test your knowledge about one of the most influential military packaging designs that changed battlefield nutrition forever.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Waterproof waxed paper outer wrapper to protect contents in humid conditions
Color-coded packaging to distinguish between breakfast, lunch, and dinner meals
QR codes on packages for soldiers to track nutritional information
Compact, rectangular shape specifically designed to fit in uniform pockets