7-Eleven's Bring Your Own Cup Day Is Back

DALLAS (CBS) – Big Gulp not big enough for you? 7-Eleven has a solution for Slurpee lovers.

"Bring Your Own Cup Day" is back at the convenience store chain. It's actually a two-day event – running from 11 a.m. to 7 p.m. on Friday and Saturday.

Oh, just getting the store ready for #BYOCupDay! It's TOMORROW and Saturday from 11AM-7PM. Fill your own cups with Slurpee!
Posted by 7-Eleven on Thursday, August 18, 2016

It costs $1.50 to fill your cup up, but there are a few rules to follow. The watertight container must fit upright through a 10-inch hole, and it has to be clean.

Only one cup per person is allowed.