Which packaging innovation was initially invented by American engineer Robert Gair in 1879 after a production accident led to the discovery of pre-cut, foldable packaging?

Packaging design has undergone remarkable transformations throughout history, driven by technological innovations and changing consumer expectations. From preserving products to enhancing brand identity, packaging serves multiple crucial functions in the consumer marketplace. This poll tests your knowledge about a revolutionary packaging invention that changed how products are stored, transported, and consumed worldwide.

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The cardboard box (pre-cut, foldable carton)
The aluminum beverage can with pull-tab opener
The tetrahedral milk carton
The plastic blister pack