Which packaging innovation was invented by Earl Tupper in 1946, revolutionizing food storage with its airtight seal and leading to the famous 'Tupperware party' sales model?

Packaging design has transformed how we interact with products, combining function and innovation. Some packaging breakthroughs have been so revolutionary they've changed entire industries and consumer behaviors. This trivia explores a pivotal packaging invention that redefined convenience and solved a persistent consumer problem. Test your knowledge about this game-changing packaging innovation that we now take for granted!

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Resealable zip-top plastic bags
Polyethylene food containers with air-tight seals (Tupperware)
Vacuum-sealed glass jars
Aluminum foil wrap