Which innovative product packaging invention was patented in 1956 and reduced product waste by over 25% while creating a new consumer interaction pattern that's still used today?

Product packaging isn't just about protection—it's about innovation! Throughout history, revolutionary packaging designs have transformed industries, created new consumer experiences, and solved critical problems. This trivia question explores a groundbreaking packaging innovation that changed how we interact with everyday products and influenced sustainable design principles across multiple sectors.

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• The aerosol spray can with metered valve system
• The child-resistant prescription bottle cap
• The squeeze bottle with inverted dispensing
• The resealable zipper-lock food storage bag

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