I’m sure if you were a kid in the ’80s you took some portion of your lunch in a piece of Tupperware. I know Tupperware was a staple in my house, and still is to this day. The Glad and Ziplock containers are nothing like a good, sturdy piece of Tupperware.
I don’t recall my mother ever selling Tupperware, but I am sure she attended Tupperware parties in the ’80s. They were all the rage. And I’m sure that is where she picked me up my very own Tupperware set, like this one: