Sometimes, brands are so successful that their names become synonymous with their category—just like when you think of internet searches and blowing your nose, you immediately think of Google and Kleenex, respectively.
The 1946-founded kitchen goods brand Tupperware also became a genericized trademark, and the word “Tupperware” has come to refer to all reusable, sealed containers. Growing up, my mom had a mountain of food storage options in the kitchen, but she called all of them, regardless of brand, “tuppers.”
