Which of these product packaging innovations was originally developed for military use in WWII but revolutionized civilian retail after the war?

During World War II, product packaging and retail distribution underwent revolutionary changes that continue to impact consumer markets today. Military necessity drove innovation in food preservation, packaging durability, and distribution efficiency. This poll explores one of the most significant retail innovations that originated from military needs but transformed civilian shopping forever. Test your knowledge of how military history shaped modern retail practices!

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Aerosol spray cans (developed to combat malaria-carrying mosquitoes for soldiers in the Pacific)
Bubble wrap (developed as a textured wallpaper for military barracks before being repurposed)
Twist ties (invented for securing military communication cables in battlefield conditions)
Resealable plastic bags (created to protect military maps and documents in humid jungle environments)