March 18 and 19 from 11AM – 7PM at 7-Eleven will be #BYOCupDay at participating stores in the U.S..
It does, however, have some diameter rules, which you can see below in the photograph. Your drinking vessel must fit inside that display for it to be applicable.
Which basically means you can't follow through with that crazy idea of bringing a baby swimming pool in the store and filling it with a Slurpee.
Happy Brain Freezes, Ladies and Gentleman!
Amy Cooper is a writer and pop culture fact nerd, and on multiple occasions has been referred to as a “Walking iPod.”