Open your 7-11 app, go to category ‘drinks’ and you’ll see the offer by swiping thru them.
At Store, take a Big Gulp Cold Cup, fill with ice/take straw, then fill w/your choice of hot coffee selections and add creamer/sweetner as desired.
You will also earn rewards points each time you purchase by showing bar code to cashier when you pay or pay via the app.
https://www.7-eleven.com/7Rewards