Which food company first introduced the resealable 'Zip-Pak' closure system on its packaging, revolutionizing how consumers store food products?

In the competitive food industry, packaging innovation has been crucial for brand differentiation and consumer convenience. One particular packaging breakthrough revolutionized how consumers interact with everyday food products, preserving freshness and extending usability. This trivia question explores the origins of a packaging technology we now take for granted but that fundamentally changed food storage at home.

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Nabisco (for its Premium Saltine crackers)
Kraft Foods (for its shredded cheese products)
General Mills (for its Cheerios cereal)
Oscar Mayer (for its deli meats)