A closer look
The iconic burping seal on your leftover spaghetti container has deep military roots. Earl Tupper was a plastics pioneer working tirelessly to purify gross, black polyethylene slag for wartime gas mask parts. After the war, he aggressively modified the exact same purified plastic to make kitchen bowls, applying a tight moisture-proof seal directly inspired by the airtight lids of military paint cans. Thus, suburban parties were born.






