Which packaging innovation was first developed in the 1950s by American engineer Ermal Fraze after he struggled to open a beverage container at a picnic?

Product packaging has evolved dramatically throughout history, with numerous innovations that changed how we preserve, transport, and market goods. One particular breakthrough revolutionized the food industry, significantly extended product shelf life, and transformed how consumers interact with packaged goods. Test your knowledge about this game-changing invention in packaging technology!

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The pull-tab can opener (ring-pull)
The resealable zipper closure (Ziploc mechanism)
The aseptic carton packaging (Tetra Pak)
The aerosol spray can with pressurized valve