Which innovative food packaging product, introduced in 1963, revolutionized home food storage and was initially marketed with the slogan 'Locks in freshness'?

Throughout history, product packaging has evolved dramatically, often reflecting technological innovations and changing consumer needs. Some packaging breakthroughs fundamentally changed industries and consumer behavior. This trivia question focuses on a revolutionary packaging innovation from the mid-20th century that transformed food preservation and convenience for everyday consumers.

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Tupperware with 'Burping Seal'
Ziploc resealable plastic bags
Reynolds Wrap aluminum foil
Saran Wrap plastic film