Some, if not many, of you may have at least one piece of Tupperware that's at least 30 to 40 years old. The famous Tupperware "burping" seals are still holding strong, keeping that lettuce crisp and ...

For almost eight decades Tupperware containers were a kitchen staple. The sturdy, “burping” bowls held not just leftovers but cherished family recipes. “Tupperware drawers” overflowed with lidded ...